Use After Free Affecting wireshark package, versions <2.4.12-3.19.1
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-SLES150-WIRESHARK-2758997
- published14 Apr 2022
- disclosed18 Jan 2019
Introduced: 18 Jan 2019
CVE-2019-5721 (opens in a new tab)How to fix?
Upgrade SLES:15.0 wireshark to version 2.4.12-3.19.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wireshark package and not the wireshark package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.
References
- https://www.suse.com/security/cve/CVE-2019-5721.html
- https://bugzilla.suse.com/1121235
- https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14470
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1c66174ec7aa19e2ddc79178cf59f15a654fc4fe
- https://www.wireshark.org/security/wnpa-sec-2019-05.html