Memory corruption in Exiv2 - CVE-2018-9145

 

Memory corruption in Exiv2 - CVE-2018-9145

Published: November 26, 2018


Vulnerability identifier: #VU16052
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-2018-9145
CWE-ID: CWE-119
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 boundary error in the constructor with an initial buffer size in the DataBuf class in include/exiv2/types.hpp. A remote attacker can trick the victim into opening a specially crafted input, trigger a SIGABRT during an attempt at memory allocation and perform a denial of service attack.


How to mitigate CVE-2018-9145

Install update from vendor's website.

Sources