CVE-2021-39947

In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
GitLabCNA
5.3 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 16%
VendorProductVersion
gitlabgitlab_runner
𝑥
< 14.3.4
gitlabgitlab_runner
14.4.0 ≤
𝑥
< 14.4.2
gitlabgitlab_runner
14.5.0 ≤
𝑥
< 14.5.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab-ci-multi-runner
sid
14.10.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab-ci-multi-runner
noble
dne
mantic
dne
lunar
dne
kinetic
dne
jammy
dne
focal
needs-triage
bionic
needs-triage
xenial
dne
trusty
dne
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39947.json
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28732