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CVE-2007-3641

Status Candidate

Overview

archive_read_support_format_tar.c in libarchive before 2.2.4 does not properly compute the length of a certain buffer when processing a malformed pax extension header, which allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted (1) PAX or (2) TAR archive that triggers a buffer overflow.

Related Files

Debian Linux Security Advisory 1455-1
Posted Jan 8, 2008
Authored by Debian | Site debian.org

Debian Security Advisory 1455-1 - Several local/remote vulnerabilities have been discovered in libarchive1, a single library to read/write tar, cpio, pax, zip, iso9660, archives.

tags | advisory, remote, local, vulnerability
systems | linux, debian
advisories | CVE-2007-3641, CVE-2007-3644, CVE-2007-3645
SHA-256 | 56da8c419f4cd6a884cc7f100170ca32f5ceef6a0a326701dd9752d610e14883
Gentoo Linux Security Advisory 200708-3
Posted Aug 9, 2007
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200708-03 - CPNI, CERT-FI, Tim Kientzle, and Colin Percival reported a buffer overflow (CVE-2007-3641), an infinite loop (CVE-2007-3644), and a NULL pointer dereference (CVE-2007-3645) within the processing of archives having corrupted PaX extension headers. Versions less than 2.2.4 are affected.

tags | advisory, overflow
systems | linux, gentoo
advisories | CVE-2007-3641, CVE-2007-3644, CVE-2007-3645
SHA-256 | 4f868f9ee2fb9a3722f68545844da74d913fc07b3a39218d59baed3a041695d6
FreeBSD-SA-07-05.libarchive.txt
Posted Jul 13, 2007
Site security.freebsd.org

FreeBSD Security Advisory - Several problems have been found in the libarchive code used to parse the tar and pax interchange formats. These include entering an infinite loop if an archive prematurely ends within a pax extension header or if certain types of corruption occur in pax extension headers, dereferencing a NULL pointer if an archive prematurely ends within a tar header immediately following a pax extension header or if certain other types of corruption occur in pax extension headers, and miscomputing the length of a buffer resulting in a buffer overflow if yet another type of corruption occurs in a pax extension header.

tags | advisory, overflow
systems | freebsd
advisories | CVE-2007-3641, CVE-2007-3644, CVE-2007-3645
SHA-256 | b38942f713cc47fbfb1b3c24182ba24175fea8220d4abee0c036c12cbc41e014
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