Use After Free Affecting exempi package, versions <2.2.2-2ubuntu0.1
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-UBUNTU1604-EXEMPI-296949
- published15 Mar 2018
- disclosed15 Mar 2018
Introduced: 15 Mar 2018
CVE-2017-18234 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 exempi to version 2.2.2-2ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream exempi package and not the exempi package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-18234
- https://bugs.freedesktop.org/show_bug.cgi?id=100397
- https://cgit.freedesktop.org/exempi/commit/?id=c26d5beb60a5a85f76259f50ed3e08c8169b0a0c
- https://lists.debian.org/debian-lts-announce/2018/03/msg00013.html
- https://security-tracker.debian.org/tracker/CVE-2017-18234
- https://access.redhat.com/errata/RHSA-2019:2048
- https://usn.ubuntu.com/3668-1/