SB2016092140 - Input validation error in libarchive
Published: September 21, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016092140
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-4809)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.
Remediation
Install update from vendor's website.
References
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://rhn.redhat.com/errata/RHSA-2016-1850.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91813
- https://bugzilla.redhat.com/show_bug.cgi?id=1347084
- https://github.com/libarchive/libarchive/commit/fd7e0c02
- https://github.com/libarchive/libarchive/issues/705
- https://security.gentoo.org/glsa/201701-03