ASA-202107-40 log generated external raw
[ASA-202107-40] openvswitch: arbitrary code execution |
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Arch Linux Security Advisory ASA-202107-40
==========================================
Severity: Medium
Date : 2021-07-20
CVE-ID : CVE-2021-36980
Package : openvswitch
Type : arbitrary code execution
Remote : No
Link : https://security.archlinux.org/AVG-2177
Summary
=======
The package openvswitch before version 2.15.1-1 is vulnerable to
arbitrary code execution.
Resolution
==========
Upgrade to 2.15.1-1.
# pacman -Syu "openvswitch>=2.15.1-1"
The problem has been fixed upstream in version 2.15.1.
Workaround
==========
None.
Description
===========
Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-
free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and
ofpacts_decode) during the decoding of a RAW_ENCAP action.
Impact
======
An attacker could execute arbitrary code through crafted Open vSwitch
Actions.
References
==========
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f
https://security.archlinux.org/CVE-2021-36980
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