CVE-2020-26405 : Path traversal vulnerability in package upload functionality in GitLab CE/EE sta

Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8 allows an attacker to save packages in arbitrary locations. Affected versions are >=12.8, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Published 2020-11-17 19:15:11

Updated 2020-12-01 15:18:56

Source GitLab Inc.

View at NVD, CVE.org

Vulnerability category: Directory traversal

Products affected by CVE-2020-26405

Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.5.0 and before (<) 13.5.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.5.0 and before (<) 13.5.2
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 12.8.0 and before (<) 13.3.9
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Community Edition
Versions from including (>=) 13.4.0 and before (<) 13.4.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 13.4.0 and before (<) 13.4.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Enterprise Edition
Versions from including (>=) 12.8.0 and before (<) 13.3.9
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-26405

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 40 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-26405

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.5	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:P	8.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
7.1	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	2.8	4.2	GitLab Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: Low
7.1	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	2.8	4.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: Low

CWE ids for CVE-2020-26405

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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)

References for CVE-2020-26405

https://gitlab.com/gitlab-org/gitlab/-/issues/247371

Not Found
Broken Link
https://hackerone.com/reports/835427

HackerOne
Permissions Required;Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26405.json

2020/CVE-2020-26405.json · master · GitLab.org / cves · GitLab
Vendor Advisory

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Vulnerability Details : CVE-2020-26405

Products affected by CVE-2020-26405

Exploit prediction scoring system (EPSS) score for CVE-2020-26405

CVSS scores for CVE-2020-26405

CWE ids for CVE-2020-26405

References for CVE-2020-26405