Out-of-bounds Read Affecting exiv2-libs package, versions <0:0.27.2-5.el8
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-RHEL8-EXIV2LIBS-3662709
- published26 Jul 2021
- disclosed10 Dec 2018
Introduced: 10 Dec 2018
CVE-2018-20096 (opens in a new tab)How to fix?
Upgrade RHEL:8 exiv2-libs to version 0:0.27.2-5.el8 or higher.
This issue was patched in RHSA-2020:1577.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exiv2-libs package and not the exiv2-libs package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
References
- https://access.redhat.com/security/cve/CVE-2018-20096
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://access.redhat.com/errata/RHSA-2020:1577
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/