CVE-2020-17368: Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection

Critical severity · published Aug 11, 2020

CVE-2020-17368

Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection

9.8

CVSS

4.1%

EPSS

On KEV

Description

Firejail through 0.9.62 mishandles shell metacharacters during use of the --output or --output-stderr option, which may lead to command injection.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)4.1% · higher than 91% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0; 10.0 · source: NVD

Fedora · Fedoraproject

31; 32 · source: NVD

Firejail · Firejail Project

through 0.9.62 · source: NVD

Leap · Opensuse

15.2 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-17368

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-17368

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00036.html

Third Party Advisory

https://github.com/netblue30/firejail/

Mailing List

https://lists.debian.org/debian-lts-announce/2020/08/msg00033.html

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFXN3JJG4DIMN4TAHOTKFMS7SGM4EOTR/

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W66IR5YT4KG464SKEMQN2NP2LGATGEGS/

Third Party Advisory

https://security.gentoo.org/glsa/202101-02