Resource Exhaustion Affecting libexif package, versions <0.6.21-5.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN11-LIBEXIF-517126
- published8 Jan 2019
- disclosed20 Feb 2019
Introduced: 8 Jan 2019
CVE-2018-20030 (opens in a new tab)How to fix?
Upgrade Debian:11 libexif to version 0.6.21-5.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libexif package and not the libexif package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
References
- https://lists.debian.org/debian-lts-announce/2020/05/msg00016.html
- https://security-tracker.debian.org/tracker/CVE-2018-20030
- https://github.com/libexif/libexif/commit/6aa11df549114ebda520dde4cdaea2f9357b2c89
- https://secuniaresearch.flexerasoftware.com/secunia_research/2018-28/
- https://lists.debian.org/debian-lts-announce/2020/05/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00017.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-20030
- https://usn.ubuntu.com/4358-1/