CVE-2020-26414

An issue has been discovered in GitLab affecting all versions starting from 12.4. The regex used for package names is written in a way that makes execution time have quadratic growth based on the length of the malicious input string.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
GitLabCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
gitlabgitlab
12.4.0 ≤
𝑥
< 13.5.6
gitlabgitlab
12.4.0 ≤
𝑥
< 13.5.6
gitlabgitlab
13.6.0 ≤
𝑥
< 13.6.4
gitlabgitlab
13.6.0 ≤
𝑥
< 13.6.4
gitlabgitlab
13.7.0 ≤
𝑥
< 13.7.2
gitlabgitlab
13.7.0 ≤
𝑥
< 13.7.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26414.json
https://gitlab.com/gitlab-org/gitlab/-/issues/270199
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26414.json
https://gitlab.com/gitlab-org/gitlab/-/issues/270199