High severity · published Jan 17, 2023
CVE-2022-2251
Improper sanitization of branch names in GitLab Runner affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user who creates a branch…
8.0
CVSS
1.2%
EPSS
No
On KEV
Description
Improper sanitization of branch names in GitLab Runner affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user who creates a branch with a specially crafted name and gets another user to trigger a pipeline to execute commands in the runner as that other user.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Runner · Gitlab
before 15.3.5; 15.4.0 before 15.4.4; 15.5.0 before 15.5.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-2251
Vendor Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.json
Exploit
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386
Permissions Required
https://hackerone.com/reports/1063511
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