Vulnerabilities > CVE-2011-1586 - Path Traversal vulnerability in KDE SC
Attack vector
UNKNOWN Attack complexity
UNKNOWN Privileges required
UNKNOWN Confidentiality impact
UNKNOWN Integrity impact
UNKNOWN Availability impact
UNKNOWN Summary
Directory traversal vulnerability in the KGetMetalink::File::isValidNameAttr function in ui/metalinkcreator/metalinker.cpp in KGet in KDE SC 4.6.2 and earlier allows remote attackers to create arbitrary files via a .. (dot dot) in the name attribute of a file element in a metalink file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-1000.
Vulnerable Configurations
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 Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2011-0465.NASL description From Red Hat Security Advisory 2011:0465 : Updated kdenetwork packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The kdenetwork packages contain networking applications for the K Desktop Environment (KDE). A directory traversal flaw was found in the way KGet, a download manager, handled the last seen 2020-06-01 modified 2020-06-02 plugin id 68260 published 2013-07-12 reporter This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/68260 title Oracle Linux 6 : kdenetwork (ELSA-2011-0465) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2011:0465 and # Oracle Linux Security Advisory ELSA-2011-0465 respectively. # include("compat.inc"); if (description) { script_id(68260); script_version("1.9"); script_cvs_date("Date: 2019/10/25 13:36:09"); script_cve_id("CVE-2010-1000", "CVE-2011-1586"); script_bugtraq_id(40141); script_xref(name:"RHSA", value:"2011:0465"); script_name(english:"Oracle Linux 6 : kdenetwork (ELSA-2011-0465)"); script_summary(english:"Checks rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Oracle Linux host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "From Red Hat Security Advisory 2011:0465 : Updated kdenetwork packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The kdenetwork packages contain networking applications for the K Desktop Environment (KDE). A directory traversal flaw was found in the way KGet, a download manager, handled the 'file' element in Metalink files. An attacker could use this flaw to create a specially crafted Metalink file that, when opened, would cause KGet to overwrite arbitrary files accessible to the user running KGet. (CVE-2011-1586) Users of kdenetwork should upgrade to these updated packages, which contain a backported patch to resolve this issue. The desktop must be restarted (log out, then log back in) for this update to take effect." ); script_set_attribute( attribute:"see_also", value:"https://oss.oracle.com/pipermail/el-errata/2011-April/002088.html" ); script_set_attribute( attribute:"solution", value:"Update the affected kdenetwork 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_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kdenetwork"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kdenetwork-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:kdenetwork-libs"); script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6"); script_set_attribute(attribute:"vuln_publication_date", value:"2010/05/17"); script_set_attribute(attribute:"patch_publication_date", value:"2011/04/22"); script_set_attribute(attribute:"plugin_publication_date", value:"2013/07/12"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Oracle Linux Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list"); 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); if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux"); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux"); os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux"); os_ver = os_ver[1]; if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 6", "Oracle Linux " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu); flag = 0; if (rpm_check(release:"EL6", reference:"kdenetwork-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"EL6", reference:"kdenetwork-devel-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"EL6", reference:"kdenetwork-libs-4.3.4-11.el6_0.1")) 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, "kdenetwork / kdenetwork-devel / kdenetwork-libs"); }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2011-0465.NASL description Updated kdenetwork packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The kdenetwork packages contain networking applications for the K Desktop Environment (KDE). A directory traversal flaw was found in the way KGet, a download manager, handled the last seen 2020-06-01 modified 2020-06-02 plugin id 53526 published 2011-04-22 reporter This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/53526 title RHEL 6 : kdenetwork (RHSA-2011:0465) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2011:0465. The text # itself is copyright (C) Red Hat, Inc. # include("compat.inc"); if (description) { script_id(53526); script_version ("1.18"); script_cvs_date("Date: 2019/10/25 13:36:16"); script_cve_id("CVE-2010-1000", "CVE-2011-1586"); script_bugtraq_id(40141); script_xref(name:"RHSA", value:"2011:0465"); script_name(english:"RHEL 6 : kdenetwork (RHSA-2011:0465)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Red Hat host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "Updated kdenetwork packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The kdenetwork packages contain networking applications for the K Desktop Environment (KDE). A directory traversal flaw was found in the way KGet, a download manager, handled the 'file' element in Metalink files. An attacker could use this flaw to create a specially crafted Metalink file that, when opened, would cause KGet to overwrite arbitrary files accessible to the user running KGet. (CVE-2011-1586) Users of kdenetwork should upgrade to these updated packages, which contain a backported patch to resolve this issue. The desktop must be restarted (log out, then log back in) for this update to take effect." ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2011-1586" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2011:0465" ); script_set_attribute(attribute:"solution", value:"Update the affected 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_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"exploit_available", value:"false"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kdenetwork"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kdenetwork-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kdenetwork-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kdenetwork-libs"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2010/05/17"); script_set_attribute(attribute:"patch_publication_date", value:"2011/04/21"); script_set_attribute(attribute:"plugin_publication_date", value:"2011/04/22"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Red Hat Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("misc_func.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat"); os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat"); os_ver = os_ver[1]; if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.x", "Red Hat " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu); yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo"); if (!empty_or_null(yum_updateinfo)) { rhsa = "RHSA-2011:0465"; yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa); if (!empty_or_null(yum_report)) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : yum_report ); exit(0); } else { audit_message = "affected by Red Hat security advisory " + rhsa; audit(AUDIT_OS_NOT, audit_message); } } else { flag = 0; if (rpm_check(release:"RHEL6", cpu:"i686", reference:"kdenetwork-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"kdenetwork-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"kdenetwork-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"RHEL6", reference:"kdenetwork-debuginfo-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"RHEL6", reference:"kdenetwork-devel-4.3.4-11.el6_0.1")) flag++; if (rpm_check(release:"RHEL6", reference:"kdenetwork-libs-4.3.4-11.el6_0.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : rpm_report_get() + redhat_report_package_caveat() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kdenetwork / kdenetwork-debuginfo / kdenetwork-devel / etc"); } }NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-1114-1.NASL description It was discovered that KGet did not properly perform input validation when processing metalink files. If a user were tricked into opening a crafted metalink file, a remote attacker could overwrite files via directory traversal, which could eventually lead to arbitrary code execution. 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 55072 published 2011-06-13 reporter Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/55072 title Ubuntu 9.10 / 10.04 LTS / 10.10 : kdenetwork vulnerability (USN-1114-1) NASL family Mandriva Local Security Checks NASL id MANDRIVA_MDVSA-2011-081.NASL description A vulnerability has been found and corrected in kdenetwork4 : Directory traversal vulnerability in the KGetMetalink::File::isValidNameAttr function in ui/metalinkcreator/metalinker.cpp in KGet in KDE SC 4.6.2 and earlier allows remote attackers to create arbitrary files via a .. (dot dot) in the name attribute of a file element in a metalink file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-1000 (CVE-2011-1586). Packages for 2009.0 are provided as of the Extended Maintenance Program. Please visit this link to learn more: http://store.mandriva.com/product_info.php?cPath=149 products_id=490 The updated packages have been patched to correct this issue. last seen 2020-06-01 modified 2020-06-02 plugin id 53628 published 2011-05-03 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/53628 title Mandriva Linux Security Advisory : kdenetwork4 (MDVSA-2011:081) NASL family Scientific Linux Local Security Checks NASL id SL_20110421_KDENETWORK_ON_SL6_X.NASL description A directory traversal flaw was found in the way KGet, a download manager, handled the last seen 2020-06-01 modified 2020-06-02 plugin id 61024 published 2012-08-01 reporter This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/61024 title Scientific Linux Security Update : kdenetwork on SL6.x i386/x86_64
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References
- http://www.vupen.com/english/advisories/2011/1019
- http://websvn.kde.org/branches/KDE/4.4/kdenetwork/kget/ui/metalinkcreator/metalinker.cpp?r1=1227468&r2=1227467&pathrev=1227468
- http://secunia.com/advisories/44124
- http://websvn.kde.org/branches/KDE/4.6/kdenetwork/kget/ui/metalinkcreator/metalinker.cpp?r1=1227471&r2=1227470&pathrev=1227471
- http://openwall.com/lists/oss-security/2011/04/15/9
- http://websvn.kde.org/branches/KDE/4.5/kdenetwork/kget/ui/metalinkcreator/metalinker.cpp?r1=1227469&r2=1227468&pathrev=1227469
- http://www.ubuntu.com/usn/usn-1114-1/
- http://www.vupen.com/english/advisories/2011/1021
- https://launchpad.net/bugs/757526
- https://bugzilla.redhat.com/show_bug.cgi?id=697042
- http://www.redhat.com/support/errata/RHSA-2011-0465.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:081
- http://secunia.com/advisories/44329
- http://www.vupen.com/english/advisories/2011/1135
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66826