Vulnerabilities > CVE-2017-18205 - NULL Pointer Dereference vulnerability in ZSH Project ZSH
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |
Common Weakness Enumeration (CWE)
Nessus
NASL family Gentoo Local Security Checks NASL id GENTOO_GLSA-201805-10.NASL description The remote host is affected by the vulnerability described in GLSA-201805-10 (Zsh: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Zsh. Please review the CVE identifiers referenced below for details. Impact : A local attacker could execute arbitrary code, escalate privileges, or cause a Denial of Service condition. Workaround : There is no known workaround at this time. last seen 2020-06-01 modified 2020-06-02 plugin id 110174 published 2018-05-29 reporter This script is Copyright (C) 2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/110174 title GLSA-201805-10 : Zsh: Multiple vulnerabilities NASL family SuSE Local Security Checks NASL id SUSE_SU-2018-1072-1.NASL description This update for zsh fixes the following issues : - CVE-2014-10070: environment variable injection could lead to local privilege escalation (bnc#1082885) - CVE-2014-10071: buffer overflow in exec.c could lead to denial of service. (bnc#1082977) - CVE-2014-10072: buffer overflow In utils.c when scanning very long directory paths for symbolic links. (bnc#1082975) - CVE-2016-10714: In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters. (bnc#1083250) - CVE-2017-18205: In builtin.c when sh compatibility mode is used, a NULL pointer dereference could lead to denial of service (bnc#1082998) - CVE-2018-1071: exec.c:hashcmd() function vulnerability could lead to denial of service. (bnc#1084656) - CVE-2018-1083: Autocomplete vulnerability could lead to privilege escalation. (bnc#1087026) - CVE-2018-7549: In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p. (bnc#1082991) - CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of service (bnc#1083002) - Autocomplete and REPORTTIME broken (bsc#896914) Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 109355 published 2018-04-26 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109355 title SUSE SLED12 / SLES12 Security Update : zsh (SUSE-SU-2018:1072-1) NASL family Amazon Linux Local Security Checks NASL id ALA_ALAS-2018-1107.NASL description A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do a symbolic link resolution in the aforementioned path. If the user affected is privileged, this leads to privilege escalation.(CVE-2017-18206) A buffer overflow flaw was found in the zsh shell auto-complete functionality. A local, unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use auto-complete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.(CVE-2018-1083) A NULL pointer dereference flaw was found in the code responsible for saving hashtables of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell.(CVE-2018-7549) A NULL pointer dereference flaw was found in the code responsible for the cd builtin command of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell.(CVE-2017-18205) A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do symbolic link resolution in the aforementioned path. An attacker could exploit this vulnerability to cause a denial of service condition on the target.(CVE-2014-10072) A buffer overflow flaw was found in the zsh shell check path functionality. A local, unprivileged user can create a specially crafted message file, which, if used to set a custom last seen 2020-06-10 modified 2018-12-07 plugin id 119466 published 2018-12-07 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/119466 title Amazon Linux AMI : zsh (ALAS-2018-1107) NASL family Scientific Linux Local Security Checks NASL id SL_20181030_ZSH_ON_SL7_X.NASL description Security Fix(es) : - zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083) - zsh: buffer overflow for very long fds in >& fd syntax (CVE-2014-10071) - zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072) - zsh: NULL dereference in cd in sh compatibility mode under given circumstances (CVE-2017-18205) - zsh: buffer overrun in symlinks (CVE-2017-18206) - zsh: Stack-based buffer overflow in exec.c:hashcmd() (CVE-2018-1071) - zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100) - zsh: crash on copying empty hash table (CVE-2018-7549) last seen 2020-03-18 modified 2018-11-27 plugin id 119204 published 2018-11-27 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/119204 title Scientific Linux Security Update : zsh on SL7.x x86_64 (20181030) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2018-1090.NASL description According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. - Security fix(es): - In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.(CVE-2017-18205) - zsh before 5.0.7 allows evaluation of the initial values of integer variables imported from the environment (instead of treating them as literal numbers). That could allow local privilege escalation, under some specific and atypical conditions where zsh is being invoked in privilege-elevation contexts when the environment has not been properly sanitized, such as when zsh is invoked by sudo on systems where last seen 2020-05-06 modified 2018-05-02 plugin id 109488 published 2018-05-02 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109488 title EulerOS 2.0 SP1 : zsh (EulerOS-SA-2018-1090) NASL family SuSE Local Security Checks NASL id OPENSUSE-2018-399.NASL description This update for zsh fixes the following issues : - CVE-2014-10070: environment variable injection could lead to local privilege escalation (bnc#1082885) - CVE-2014-10071: buffer overflow in exec.c could lead to denial of service. (bnc#1082977) - CVE-2014-10072: buffer overflow In utils.c when scanning very long directory paths for symbolic links. (bnc#1082975) - CVE-2016-10714: In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters. (bnc#1083250) - CVE-2017-18205: In builtin.c when sh compatibility mode is used, a NULL pointer dereference could lead to denial of service (bnc#1082998) - CVE-2018-1071: exec.c:hashcmd() function vulnerability could lead to denial of service. (bnc#1084656) - CVE-2018-1083: Autocomplete vulnerability could lead to privilege escalation. (bnc#1087026) - CVE-2018-7549: In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p. (bnc#1082991) - CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of service (bnc#1083002) - Autocomplete and REPORTTIME broken (bsc#896914) This update was imported from the SUSE:SLE-12:Update update project. last seen 2020-06-05 modified 2018-04-27 plugin id 109384 published 2018-04-27 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109384 title openSUSE Security Update : zsh (openSUSE-2018-399) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2018-1091.NASL description According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. - Security fix(es): - In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set.(CVE-2017-18205) - zsh before 5.0.7 allows evaluation of the initial values of integer variables imported from the environment (instead of treating them as literal numbers). That could allow local privilege escalation, under some specific and atypical conditions where zsh is being invoked in privilege-elevation contexts when the environment has not been properly sanitized, such as when zsh is invoked by sudo on systems where last seen 2020-05-06 modified 2018-05-02 plugin id 109489 published 2018-05-02 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109489 title EulerOS 2.0 SP2 : zsh (EulerOS-SA-2018-1091) NASL family NewStart CGSL Local Security Checks NASL id NEWSTART_CGSL_NS-SA-2019-0070_ZSH.NASL description The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has zsh packages installed that are affected by multiple vulnerabilities: - A buffer overflow flaw was found in the zsh shell file descriptor redirection functionality. An attacker could use this flaw to cause a denial of service by crashing the user shell. (CVE-2014-10071) - A NULL pointer dereference flaw was found in the code responsible for the cd builtin command of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell. (CVE-2017-18205) - A buffer overflow flaw was found in the zsh shell check path functionality. A local, unprivileged user can create a specially crafted message file, which, if used to set a custom you have new mail message, leads to code execution in the context of the user who receives the message. If the user affected is privileged, this leads to privilege escalation. (CVE-2018-1100) - A buffer overflow flaw was found in the zsh shell auto- complete functionality. A local, unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use auto-complete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation. (CVE-2018-1083) - zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the exec.c:hashcmd() function. A local attacker could exploit this to cause a denial of service. (CVE-2018-1071) - A NULL pointer dereference flaw was found in the code responsible for saving hashtables of the zsh package. An attacker could use this flaw to cause a denial of service by crashing the user shell. (CVE-2018-7549) - A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do a symbolic link resolution in the aforementioned path. If the user affected is privileged, this leads to privilege escalation. (CVE-2017-18206) - A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do symbolic link resolution in the aforementioned path. An attacker could exploit this vulnerability to cause a denial of service condition on the target. (CVE-2014-10072) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 127273 published 2019-08-12 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/127273 title NewStart CGSL CORE 5.04 / MAIN 5.04 : zsh Multiple Vulnerabilities (NS-SA-2019-0070) NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2018-3073.NASL description An update for zsh is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. Security Fix(es) : * zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083) * zsh: buffer overflow for very long fds in >& fd syntax (CVE-2014-10071) * zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072) * zsh: NULL dereference in cd in sh compatibility mode under given circumstances (CVE-2017-18205) * zsh: buffer overrun in symlinks (CVE-2017-18206) * zsh: Stack-based buffer overflow in exec.c:hashcmd() (CVE-2018-1071) * zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100) * zsh: crash on copying empty hash table (CVE-2018-7549) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-1083, CVE-2018-1071, and CVE-2018-1100 issues were discovered by Richard Maciel Costa (Red Hat). Additional Changes : For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section. last seen 2020-06-01 modified 2020-06-02 plugin id 118989 published 2018-11-16 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/118989 title CentOS 7 : zsh (CESA-2018:3073) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3593-1.NASL description It was discovered that Zsh incorrectly handled certain enviroment variables. An attacker could possibly use this issue to gain privileged access to the system. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-10070) It was discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-10071) It was discovered that Zsh incorrectly handled some symbolic links. An attacker could possibly use this to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-10072) It was discovered that Zsh incorrectly handled certain errors. An attacker could possibly use this issue to cause a denial of service. (CVE-2016-10714) It was discovered that Zsh incorrectly handled certain commands. An attacker could possibly use this to execute arbitrary code. (CVE-2017-18205) It was discovered that Zsh incorrectly handled certain symlinks. An attacker could possibly use this to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. (CVE-2017-18206) It was discovered that Zsh incorrectly handled certain inputs. An attacker could possible use to execute arbitrary code. This issue only affected Ubuntu 17.10. (CVE-2018-7548) It was discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. (CVE-2018-7549). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 107257 published 2018-03-09 reporter Ubuntu Security Notice (C) 2018-2019 Canonical, Inc. / NASL script (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/107257 title Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : zsh vulnerabilities (USN-3593-1) NASL family Fedora Local Security Checks NASL id FEDORA_2018-9CDF18A850.NASL description - avoid crash when copying empty hash table (CVE-2018-7549) - avoid NULL dereference when using ```${(PA)...}``` on an empty array (CVE-2018-7548) - fix buffer overrun in xsymlinks (CVE-2017-18206) - fix NULL dereference in cd (CVE-2017-18205) Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2018-03-21 plugin id 108506 published 2018-03-21 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/108506 title Fedora 26 : zsh (2018-9cdf18a850) NASL family Slackware Local Security Checks NASL id SLACKWARE_SSA_2019-013-01.NASL description New zsh packages are available for Slackware 14.0, 14.1, and 14.2 to fix security issues. last seen 2020-03-17 modified 2019-01-14 plugin id 121145 published 2019-01-14 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121145 title Slackware 14.0 / 14.1 / 14.2 : zsh (SSA:2019-013-01) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2018-3073.NASL description From Red Hat Security Advisory 2018:3073 : An update for zsh is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. Security Fix(es) : * zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083) * zsh: buffer overflow for very long fds in >& fd syntax (CVE-2014-10071) * zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072) * zsh: NULL dereference in cd in sh compatibility mode under given circumstances (CVE-2017-18205) * zsh: buffer overrun in symlinks (CVE-2017-18206) * zsh: Stack-based buffer overflow in exec.c:hashcmd() (CVE-2018-1071) * zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100) * zsh: crash on copying empty hash table (CVE-2018-7549) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-1083, CVE-2018-1071, and CVE-2018-1100 issues were discovered by Richard Maciel Costa (Red Hat). Additional Changes : For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section. last seen 2020-06-01 modified 2020-06-02 plugin id 118769 published 2018-11-07 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/118769 title Oracle Linux 7 : zsh (ELSA-2018-3073) NASL family PhotonOS Local Security Checks NASL id PHOTONOS_PHSA-2020-2_0-0222_ZSH.NASL description An update of the zsh package has been released. last seen 2020-04-14 modified 2020-04-10 plugin id 135302 published 2020-04-10 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135302 title Photon OS 2.0: Zsh PHSA-2020-2.0-0222 NASL family Amazon Linux Local Security Checks NASL id AL2_ALAS-2018-986.NASL description NULL dereference in cd in sh compatibility mode under given circumstances In builtin.c in zsh before 5.4, when sh compatibility mode is used, there is a NULL pointer dereference during processing of the cd command with no argument if HOME is not set. (CVE-2017-18205) NULL pointer deref when using ${(PA)...} on an empty array result : In subst.c in zsh through 5.4.2, there is a NULL pointer dereference when using ${(PA)...} on an empty array result. (CVE-2018-7548) Buffer overrun in xsymlinks In utils.c in zsh before 5.4, symlink expansion had a buffer overflow. (CVE-2017-18206) Crash on copying empty hash table In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p. (CVE-2018-7549) last seen 2020-06-01 modified 2020-06-02 plugin id 109139 published 2018-04-18 reporter This script is Copyright (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/109139 title Amazon Linux 2 : zsh (ALAS-2018-986) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2018-3073.NASL description An update for zsh is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more. Security Fix(es) : * zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083) * zsh: buffer overflow for very long fds in >& fd syntax (CVE-2014-10071) * zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072) * zsh: NULL dereference in cd in sh compatibility mode under given circumstances (CVE-2017-18205) * zsh: buffer overrun in symlinks (CVE-2017-18206) * zsh: Stack-based buffer overflow in exec.c:hashcmd() (CVE-2018-1071) * zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100) * zsh: crash on copying empty hash table (CVE-2018-7549) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. The CVE-2018-1083, CVE-2018-1071, and CVE-2018-1100 issues were discovered by Richard Maciel Costa (Red Hat). Additional Changes : For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section. last seen 2020-06-01 modified 2020-06-02 plugin id 118524 published 2018-10-31 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/118524 title RHEL 7 : zsh (RHSA-2018:3073) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2018-1396.NASL description According to the versions of the zsh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - zsh: buffer overflow for very long fds in i1/4zi1/4+ fd syntax (CVE-2014-10071) - zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072) - zsh: NULL dereference in cd in sh compatibility mode under given circumstances (CVE-2017-18205) - zsh: buffer overrun in symlinks (CVE-2017-18206) - zsh: Stack-based buffer overflow in exec.c:hashcmd() (CVE-2018-1071) - zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100) - zsh: crash on copying empty hash table (CVE-2018-7549) Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-05-15 modified 2018-12-10 plugin id 119524 published 2018-12-10 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/119524 title EulerOS 2.0 SP3 : zsh (EulerOS-SA-2018-1396)
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References
- https://access.redhat.com/errata/RHSA-2018:3073
- https://access.redhat.com/errata/RHSA-2018:3073
- https://security.gentoo.org/glsa/201805-10
- https://security.gentoo.org/glsa/201805-10
- https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
- https://sourceforge.net/p/zsh/code/ci/eb783754bdb74377f3cea4ceca9c23a02ea1bf58
- https://usn.ubuntu.com/3593-1/
- https://usn.ubuntu.com/3593-1/