Use After Free Affecting conmon package, versions <2:2.0.17-1.0.1.module+el8.2.1+7658+86e51d52
Threat Intelligence
EPSS
0.06% (24th
percentile)
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Test your applications- Snyk ID SNYK-ORACLE8-CONMON-2557686
- published 10 Apr 2022
- disclosed 22 Apr 2020
Introduced: 22 Apr 2020
CVE-2020-1983 Open this link in a new tabHow to fix?
Upgrade Oracle:8 conmon to version 2:2.0.17-1.0.1.module+el8.2.1+7658+86e51d52 or higher.
This issue was patched in ELSA-2020-3053.
NVD Description
Note: Versions mentioned in the description apply only to the upstream conmon package and not the conmon package as distributed by Oracle.
See How to fix? for Oracle:8 relevant fixed versions and status.
A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.
References
- https://linux.oracle.com/cve/CVE-2020-1983.html
- https://linux.oracle.com/errata/ELSA-2020-3053.html
- https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20
- https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04
- https://www.debian.org/security/2020/dsa-4665
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html
- https://usn.ubuntu.com/4372-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWFD4MWV3YWIHVHSA2F7FKOLJFL4PHOX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKT2MTSINE4NUPG5L6BYH6N23NBNITOL/
CVSS Scores
version 3.1