Vulnerabilities > CVE-2018-17828 - Path Traversal vulnerability in Zziplib Project Zziplib 0.13.69
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
NONE Integrity impact
PARTIAL Availability impact
PARTIAL Summary
Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Relative Path Traversal An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.
- Directory Traversal An attacker with access to file system resources, either directly or via application logic, will use various file path specification or navigation mechanisms such as ".." in path strings and absolute paths to extend their range of access to inappropriate areas of the file system. The attacker attempts to either explore the file system for recon purposes or access directories and files that are intended to be restricted from their access. Exploring the file system can be achieved through constructing paths presented to directory listing programs, such as "ls" and 'dir', or through specially crafted programs that attempt to explore the file system. The attacker engaging in this type of activity is searching for information that can be used later in a more exploitive attack. Access to restricted directories or files can be achieved through modification of path references utilized by system applications.
- File System Function Injection, Content Based An attack of this type exploits the host's trust in executing remote content including binary files. The files are poisoned with a malicious payload (targeting the file systems accessible by the target software) by the attacker and may be passed through standard channels such as via email, and standard web content like PDF and multimedia files. The attacker exploits known vulnerabilities or handling routines in the target processes. Vulnerabilities of this type have been found in a wide variety of commercial applications from Microsoft Office to Adobe Acrobat and Apple Safari web browser. When the attacker knows the standard handling routines and can identify vulnerabilities and entry points they can be exploited by otherwise seemingly normal content. Once the attack is executed, the attackers' program can access relative directories such as C:\Program Files or other standard system directories to launch further attacks. In a worst case scenario, these programs are combined with other propagation logic and work as a virus.
- Using Slashes and URL Encoding Combined to Bypass Validation Logic This attack targets the encoding of the URL combined with the encoding of the slash characters. An attacker can take advantage of the multiple way of encoding an URL and abuse the interpretation of the URL. An URL may contain special character that need special syntax handling in order to be interpreted. Special characters are represented using a percentage character followed by two digits representing the octet code of the original character (%HEX-CODE). For instance US-ASCII space character would be represented with %20. This is often referred as escaped ending or percent-encoding. Since the server decodes the URL from the requests, it may restrict the access to some URL paths by validating and filtering out the URL requests it received. An attacker will try to craft an URL with a sequence of special characters which once interpreted by the server will be equivalent to a forbidden URL. It can be difficult to protect against this attack since the URL can contain other format of encoding such as UTF-8 encoding, Unicode-encoding, etc.
- Manipulating Input to File System Calls An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-352.NASL description This update for zziplib fixes the following issues : - CVE-2018-17828: Remove any last seen 2020-06-01 modified 2020-06-02 plugin id 123168 published 2019-03-27 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/123168 title openSUSE Security Update : zziplib (openSUSE-2019-352) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2019-352. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(123168); script_version("1.2"); script_cvs_date("Date: 2020/01/31"); script_cve_id("CVE-2018-17828"); script_name(english:"openSUSE Security Update : zziplib (openSUSE-2019-352)"); script_summary(english:"Check for the openSUSE-2019-352 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This update for zziplib fixes the following issues : - CVE-2018-17828: Remove any '../' components from pathnames of extracted files to avoid path traversal during unpacking. (bsc#1110687) This update was imported from the SUSE:SLE-15:Update update project." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1110687" ); script_set_attribute( attribute:"solution", value:"Update the affected zziplib packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libzzip-0-13"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libzzip-0-13-32bit"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libzzip-0-13-32bit-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libzzip-0-13-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:zziplib-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:zziplib-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:zziplib-devel-32bit"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:zziplib-devel-32bit-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:zziplib-devel-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/10/01"); script_set_attribute(attribute:"patch_publication_date", value:"2019/03/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/27"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE"); if (release !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE15.0", reference:"libzzip-0-13-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"libzzip-0-13-debuginfo-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"zziplib-debugsource-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"zziplib-devel-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"zziplib-devel-debuginfo-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", cpu:"x86_64", reference:"libzzip-0-13-32bit-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", cpu:"x86_64", reference:"libzzip-0-13-32bit-debuginfo-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", cpu:"x86_64", reference:"zziplib-devel-32bit-0.13.69-lp150.2.3.1") ) flag++; if ( rpm_check(release:"SUSE15.0", cpu:"x86_64", reference:"zziplib-devel-32bit-debuginfo-0.13.69-lp150.2.3.1") ) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libzzip-0-13 / libzzip-0-13-32bit / libzzip-0-13-32bit-debuginfo / etc"); }NASL family SuSE Local Security Checks NASL id OPENSUSE-2018-1277.NASL description This update for zziplib fixes the following issues : - CVE-2018-17828: Remove any last seen 2020-06-05 modified 2018-10-26 plugin id 118447 published 2018-10-26 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/118447 title openSUSE Security Update : zziplib (openSUSE-2018-1277) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1178.NASL description The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1178 advisory. - zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c (CVE-2018-17828) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-04-23 modified 2020-03-31 plugin id 135045 published 2020-03-31 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135045 title RHEL 7 : zziplib (RHSA-2020:1178) NASL family Scientific Linux Local Security Checks NASL id SL_20200407_ZZIPLIB_ON_SL7_X.NASL description * zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c last seen 2020-04-30 modified 2020-04-21 plugin id 135843 published 2020-04-21 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/135843 title Scientific Linux Security Update : zziplib on SL7.x x86_64 (20200407) NASL family SuSE Local Security Checks NASL id SUSE_SU-2018-3220-1.NASL description This update for zziplib fixes the following issues : CVE-2018-17828: Remove any last seen 2020-03-18 modified 2019-01-02 plugin id 120134 published 2019-01-02 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/120134 title SUSE SLED15 / SLES15 Security Update : zziplib (SUSE-SU-2018:3220-1) NASL family Huawei Local Security Checks NASL id EULEROS_SA-2019-2124.NASL description According to the versions of the zziplib package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.(CVE-2018-17828) - An issue was discovered in ZZIPlib through 0.13.69. There is a memory leak triggered in the function __zzip_parse_root_directory in zip.c, which will lead to a denial of service attack.(CVE-2018-16548) 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 2020-05-03 modified 2019-11-12 plugin id 130833 published 2019-11-12 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/130833 title EulerOS 2.0 SP8 : zziplib (EulerOS-SA-2019-2124) NASL family SuSE Local Security Checks NASL id OPENSUSE-2018-1226.NASL description This update for zziplib fixes the following issues : - CVE-2018-17828: Remove any last seen 2020-06-05 modified 2018-10-24 plugin id 118341 published 2018-10-24 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/118341 title openSUSE Security Update : zziplib (openSUSE-2018-1226) NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2020-1178.NASL description The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1178 advisory. - zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c (CVE-2018-17828) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-06-06 modified 2020-04-10 plugin id 135353 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/135353 title CentOS 7 : zziplib (CESA-2020:1178) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2020-1653.NASL description The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1653 advisory. - zziplib: directory traversal in unzzip_cat in the bins/unzzipcat-mem.c (CVE-2018-17828) Note that Nessus has not tested for this issue but has instead relied only on the application last seen 2020-04-30 modified 2020-04-28 plugin id 136050 published 2020-04-28 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136050 title RHEL 8 : zziplib (RHSA-2020:1653) NASL family SuSE Local Security Checks NASL id SUSE_SU-2018-3379-1.NASL description This update for zziplib fixes the following issues : CVE-2018-17828: Remove any last seen 2020-06-01 modified 2020-06-02 plugin id 118388 published 2018-10-25 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/118388 title SUSE SLED12 Security Update : zziplib (SUSE-SU-2018:3379-1)
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