CVE-2020-17368: OS Command Injection
First published: Tue Aug 11 2020(Updated: )
Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/firejail | 0.9.58.2-2+deb10u3 0.9.64.4-2+deb11u1 0.9.72-2 | |
| debian/mediawiki | 1:1.31.16-1+deb10u2 1:1.31.16-1+deb10u6 | |
| Firejail Project Firejail | <=0.9.62 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| openSUSE Leap | =15.2 |
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Reference Links
- https://phabricator.wikimedia.org/T258763
- https://github.com/netblue30/firejail/commit/34193604fed04cad2b7b6b0f1a3a0428afd9ed5b
- https://phabricator.wikimedia.org/T257062
- https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisory
- https://security-tracker.debian.org/tracker/CVE-2020-17368
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00036.html
- https://github.com/netblue30/firejail/
- https://lists.debian.org/debian-lts-announce/2020/08/msg00033.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JFXN3JJG4DIMN4TAHOTKFMS7SGM4EOTR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W66IR5YT4KG464SKEMQN2NP2LGATGEGS/
- https://security.gentoo.org/glsa/202101-02
- https://www.debian.org/security/2020/dsa-4742
- https://www.debian.org/security/2020/dsa-4743
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W66IR5YT4KG464SKEMQN2NP2LGATGEGS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFXN3JJG4DIMN4TAHOTKFMS7SGM4EOTR/
Frequently Asked Questions
What is CVE-2020-17368?
CVE-2020-17368 is a vulnerability in Firejail through 0.9.62 that mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection.
What is the severity of CVE-2020-17368?
CVE-2020-17368 has a severity rating of 9.8 (critical).
Which software is affected by CVE-2020-17368?
CVE-2020-17368 affects Firejail versions 0.9.58.2-2+deb10u3, 0.9.64.4-2+deb11u1, and 0.9.72-2, as well as Debian Linux versions 9.0 and 10.0, Mediawiki versions 1:1.31.16-1+deb10u2 and 1:1.31.16-1+deb10u6, Fedora versions 31 and 32, and openSUSE Leap version 15.2.
How can CVE-2020-17368 be exploited?
CVE-2020-17368 can be exploited by an attacker injecting malicious commands through the --output or --output-stderr option in Firejail.
How can I mitigate the impact of CVE-2020-17368?
To mitigate the impact of CVE-2020-17368, it is recommended to update Firejail to a version that includes the fix, such as versions 0.9.58.2-2+deb10u3, 0.9.64.4-2+deb11u1, or 0.9.72-2, and follow any additional recommendations provided by the affected software vendors.
- collector/security-tracker-debian
- collector/nvd-index
- agent/type
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/last-modified-date
- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- package-manager/debian
- vendor/firejail project
- canonical/firejail project firejail
- version/firejail project firejail/0.9.62
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.2