Vulnerability CVE-2020-13293
Published: 2020-08-10

Description:
In GitLab before 13.0.12, 13.1.6 and 13.2.3 using a branch with a hexadecimal name could override an existing hash.

Type:

CWE-704

 (Incorrect Type Conversion or Cast)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Gitlab -> Gitlab 

 References:
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13293.json
https://gitlab.com/gitlab-org/gitlab/-/issues/202690
https://hackerone.com/reports/790634
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