Out-of-bounds read in Exiv2 - CVE-2017-12956

 

Out-of-bounds read in Exiv2 - CVE-2017-12956

Published: August 18, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU38452
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-2017-12956
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Exiv2

Detailed vulnerability description

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

There is an illegal address access in Exiv2::FileIo::path[abi:cxx11]() in basicio.cpp of libexiv2 in Exiv2 0.26 that will lead to remote denial of service.


How to mitigate CVE-2017-12956

Install update from vendor's website.

Sources