Vulnerability Details : CVE-2020-9708
The resolveRepositoryPath function doesn't properly validate user input and a malicious user may traverse to any valid Git repository outside the repoRoot. This issue may lead to unauthorized access of private Git repositories as long as the malicious user knows or brute-forces the location of the repository.
Vulnerability category: Directory traversalBypass
Products affected by CVE-2020-9708
- cpe:2.3:a:adobe:git-server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-9708
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-9708
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST | |
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
Adobe Systems Incorporated |
CWE ids for CVE-2020-9708
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
-
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory.Assigned by: psirt@adobe.com (Secondary)
References for CVE-2020-9708
-
https://github.com/adobe/git-server/security/advisories/GHSA-cgj4-x2hh-2x93
GHSL-2020-133: Insufficient validation of user input in resolveRepositoryPath function · Advisory · adobe/git-server · GitHubThird Party Advisory
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