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CVE-2007-4131

Status Candidate

Overview

Directory traversal vulnerability in the contains_dot_dot function in src/names.c in GNU tar allows user-assisted remote attackers to overwrite arbitrary files via certain //.. (slash slash dot dot) sequences in directory symlinks in a TAR archive.

Related Files

Debian Linux Security Advisory 1438-1
Posted Dec 29, 2007
Authored by Debian | Site debian.org

Debian Security Advisory 1438-1 - Several vulnerabilities have been discovered in GNU Tar. A directory traversal vulnerability enables attackers using specially crafted archives to extract contents outside the directory tree created by tar. A stack-based buffer overflow in the file name checking code may lead to arbitrary code execution when processing maliciously crafted archives.

tags | advisory, overflow, arbitrary, vulnerability, code execution
systems | linux, debian
advisories | CVE-2007-4131, CVE-2007-4476
SHA-256 | cdb091cdc7a22e2e70fc77812d2d98bb673e8958c2eb906c42c3d283d52a525e
FreeBSD-SA-07-10.gtar.txt
Posted Nov 30, 2007
Site security.freebsd.org

FreeBSD Security Advisory - Insufficient sanity checking of paths containing '.' and '..' allows gtar to overwrite arbitrary files on the system.

tags | advisory, arbitrary
systems | freebsd
advisories | CVE-2007-4131
SHA-256 | dcc19ef1a758f3087be980a876f9e362719306f374c5862dbc64840fe61c16ac
Gentoo Linux Security Advisory 200709-9
Posted Sep 18, 2007
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200709-09 - Dmitry V. Levin discovered a directory traversal vulnerability in the contains_dot_dot() function in file src/names.c. Versions less than 1.18-r2 are affected.

tags | advisory
systems | linux, gentoo
advisories | CVE-2007-4131
SHA-256 | b8e752fcba39278680d125f89cbfaa590d77d56976332487c361a209614c28a1
Mandriva Linux Security Advisory 2007.173
Posted Sep 6, 2007
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - Dmitry V. Levin discovered a path traversal flaw in how GNU tar extracted archives. A malicious user could create a tar archive that could write to arbitrary fiels that the user running tar has write access to.

tags | advisory, arbitrary
systems | linux, mandriva
advisories | CVE-2007-4131
SHA-256 | a686299c7ad69af599405065a9fab46b18a1b9f6222ea2f6ef418008486957c6
Ubuntu Security Notice 506-1
Posted Aug 29, 2007
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 506-1 - Dmitry V. Levin discovered that tar did not correctly detect the ".." file path element when unpacking archives. If a user or an automated system were tricked into unpacking a specially crafted tar file, arbitrary files could be overwritten with user privileges.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2007-4131
SHA-256 | 868c0f350de5b4d960f77c146c0e2ec1baa6f2d02c50b7efa5fd193b353ecbe1
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