SB2016092143 - Data Handling in libarchive
Published: September 21, 2016 Updated: August 3, 2020
Security Bulletin ID
SB2016092143
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Data Handling (CVE-ID: CVE-2016-5418)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
The sandboxing code in libarchive 3.2.0 and earlier mishandles hardlink archive entries of non-zero data size, which might allow remote attackers to write to arbitrary files via a crafted archive file.
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.openwall.com/lists/oss-security/2016/08/09/2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/93165
- https://access.redhat.com/errata/RHSA-2016:1852
- https://access.redhat.com/errata/RHSA-2016:1853
- https://bugzilla.redhat.com/show_bug.cgi?id=1362601
- https://gist.github.com/anonymous/e48209b03f1dd9625a992717e7b89c4f
- https://github.com/libarchive/libarchive/commit/dfd6b54ce33960e420fb206d8872fb759b577ad9
- https://github.com/libarchive/libarchive/issues/746
- https://security.gentoo.org/glsa/201701-03