Heap-based Buffer Overflow Affecting buildah package, versions <0:1.11.6-4.module+el8.1.1+5259+bcdd613a
Threat Intelligence
EPSS
0.36% (73rd
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-CENTOS8-BUILDAH-2020950
- published 26 Jul 2021
- disclosed 7 Jan 2020
Introduced: 7 Jan 2020
CVE-2020-7039 Open this link in a new tabHow to fix?
Upgrade Centos:8 buildah to version 0:1.11.6-4.module+el8.1.1+5259+bcdd613a or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream buildah package and not the buildah package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code.
References
- https://seclists.org/bugtraq/2020/Feb/0
- http://www.openwall.com/lists/oss-security/2020/01/16/2
- https://access.redhat.com/security/cve/CVE-2020-7039
- https://www.debian.org/security/2020/dsa-4616
- https://security.gentoo.org/glsa/202005-02
- https://gitlab.freedesktop.org/slirp/libslirp/commit/2655fffed7a9e765bcb4701dd876e9dab975f289
- https://gitlab.freedesktop.org/slirp/libslirp/commit/82ebe9c370a0e2970fb5695aa19aa5214a6a1c80
- https://gitlab.freedesktop.org/slirp/libslirp/commit/ce131029d6d4a405cb7d3ac6716d03e58fb4a5d9
- https://lists.debian.org/debian-lts-announce/2020/01/msg00022.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00036.html
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html
- https://access.redhat.com/errata/RHSA-2020:0348
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
- https://usn.ubuntu.com/4283-1/
CVSS Scores
version 3.1