Out-of-bounds read in Exiv2 - CVE-2018-8976

 

Out-of-bounds read in Exiv2 - CVE-2018-8976

Published: November 26, 2018


Vulnerability identifier: #VU16049
CSH Severity: Low
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:Clear
CVE-ID: CVE-2018-8976
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 attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to out-of-bounds read in image.cpp Exiv2::Internal::stringFormat. A remote attacker can trick the victim into opening a specially crafted input, trigger an error in jpgimage.cpp and perform a denial of service attack.


How to mitigate CVE-2018-8976

Install update from vendor's website.

Sources