Use After Free Affecting exempi-devel package, versions <0:2.2.0-9.amzn2
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-AMZN2-EXEMPIDEVEL-1674661
- published27 Sept 2021
- disclosed15 Mar 2018
Introduced: 15 Mar 2018
CVE-2017-18234 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 exempi-devel to version 0:2.2.0-9.amzn2 or higher.
This issue was patched in ALAS2-2019-1321.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exempi-devel package and not the exempi-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
An issue was discovered in Exempi before 2.4.3. It allows remote attackers to cause a denial of service (invalid memcpy with resultant use-after-free) or possibly have unspecified other impact via a .pdf file containing JPEG data, related to XMPFiles/source/FormatSupport/ReconcileTIFF.cpp, XMPFiles/source/FormatSupport/TIFF_MemoryReader.cpp, and XMPFiles/source/FormatSupport/TIFF_Support.hpp.
References
- https://bugs.freedesktop.org/show_bug.cgi?id=100397
- https://cgit.freedesktop.org/exempi/commit/?id=c26d5beb60a5a85f76259f50ed3e08c8169b0a0c
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18234
- https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html
- https://access.redhat.com/errata/RHSA-2019:2048
- https://usn.ubuntu.com/3668-1/