#VU32264 Heap-based buffer overflow in libarchive - CVE-2016-4302
Published: September 21, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32264
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-4302
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
libarchive
libarchive
Software vendor:
libarchive
libarchive
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the parse_codes function in archive_read_support_format_rar.c in libarchive before 3.2.1. A remote attacker can use a RAR file with a zero-sized dictionary. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Update to version 3.2.1.
External links
- http://blog.talosintel.com/2016/06/the-poisoned-archives.html
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=1348444
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91331
- http://www.talosintel.com/reports/TALOS-2016-0154/
- https://github.com/libarchive/libarchive/commit/05caadc7eedbef471ac9610809ba683f0c698700
- https://github.com/libarchive/libarchive/issues/719
- https://security.gentoo.org/glsa/201701-03