SB2015082607 - Input validation error in LibTMCG libunwind
Published: August 26, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015082607
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) Input validation error (CVE-ID: CVE-2015-3239)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.
Remediation
Install update from vendor's website.
References
- http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1
- http://rhn.redhat.com/errata/RHSA-2015-1675.html
- http://rhn.redhat.com/errata/RHSA-2015-1768.html
- http://rhn.redhat.com/errata/RHSA-2015-1769.html
- http://www.securityfocus.com/bid/76707
- https://bugzilla.redhat.com/show_bug.cgi?id=1232265