CVE-2007-3641

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.

9.3

CVSS

Severity: Critical

CVSS 2.0 •

EPSS 35.29% Top 5%

Vendor Advisory debian.org Vendor Advisory freebsd.org Vendor Advisory gentoo.org Vendor Advisory novell.com Vendor Advisory secunia.com Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/35405	vdb entry
http://www.vupen.com/english/advisories/2007/2521	vdb entry
http://www.debian.org/security/2008/dsa-1455	vendor advisory
http://security.freebsd.org/advisories/FreeBSD-SA-07:05.libarchive.asc	vendor advisory
http://security.freebsd.org/patches/SA-07:05/libarchive.patch	patch
http://secunia.com/advisories/26050	patch vendor advisory third party advisory
http://www.securityfocus.com/bid/24885	patch vdb entry
http://security.gentoo.org/glsa/glsa-200708-03.xml	vendor advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=432924
http://osvdb.org/38092	vdb entry
http://people.freebsd.org/~kientzle/libarchive/
http://secunia.com/advisories/26062	patch vendor advisory third party advisory
http://secunia.com/advisories/26355	third party advisory
http://www.securitytracker.com/id?1018379	vdb entry
http://secunia.com/advisories/28377	third party advisory
http://www.novell.com/linux/security/advisories/2007_15_sr.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2007-3641?: CVE-2007-3641 has been scored as a critical severity vulnerability.
How to fix CVE-2007-3641?: To fix CVE-2007-3641, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-3641 being actively exploited in the wild?: It is possible that CVE-2007-3641 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~35% probability that this vulnerability will be exploited by malicious actors in the next 30 days.