Heap-based buffer overflow in libarchive - CVE-2016-4302
Published: September 21, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32264
CSH Severity: Medium
CVSS v4.0: 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
Vendor: libarchive
Affected software:
libarchive
libarchive
Detailed vulnerability 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.
How to mitigate CVE-2016-4302
Update to version 3.2.1.
Sources
- 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