Out-of-bounds write in libdwarf - CVE-2016-2050

 

Out-of-bounds write in libdwarf - CVE-2016-2050

Published: January 31, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39761
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-2050
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: David Anderson
Affected software:
libdwarf

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The get_abbrev_array_info function in libdwarf-20151114 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted elf file.


How to mitigate CVE-2016-2050

Install update from vendor's website.

Sources