Infinite loop in Exiv2 - CVE-2018-19108
Published: November 8, 2018 / Updated: October 27, 2022
Vulnerability identifier: #VU36441
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-2018-19108
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Exiv2
Exiv2
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Exiv2 0.26, Exiv2::PsdImage::readMetadata in psdimage.cpp in the PSD image reader may suffer from a denial of service (infinite loop) caused by an integer overflow via a crafted PSD image file.
How to mitigate CVE-2018-19108
Install update from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html
- https://access.redhat.com/errata/RHSA-2019:2101
- https://github.com/Exiv2/exiv2/issues/426
- https://github.com/Exiv2/exiv2/pull/518
- https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
- https://usn.ubuntu.com/4056-1/