Vulnerability CVE-2007-3641
Published: 2007-07-13   Modified: 2012-02-12

Description:
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.

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Freebsd -> Libarchive 

 References:
http://www.securityfocus.com/bid/24885
http://security.freebsd.org/patches/SA-07:05/libarchive.patch
http://secunia.com/advisories/26062
http://secunia.com/advisories/26050
http://www.vupen.com/english/advisories/2007/2521
http://www.securitytracker.com/id?1018379
http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc
http://people.freebsd.org/~kientzle/libarchive/
http://xforce.iss.net/xforce/xfdb/35405
http://www.novell.com/linux/security/advisories/2007_15_sr.html
http://www.debian.org/security/2008/dsa-1455
http://security.gentoo.org/glsa/glsa-200708-03.xml
http://secunia.com/advisories/28377
http://secunia.com/advisories/26355
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=432924
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