Input validation error in libunwind - CVE-2015-3239

 

Input validation error in libunwind - CVE-2015-3239

Published: August 26, 2015 / Updated: August 9, 2020


Vulnerability identifier: #VU40662
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2015-3239
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libunwind
Software vendor:
LibTMCG

Description

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.

External links