CVE-2020-28991 : Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path t

Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.

Published 2020-11-24 01:15:12

Updated 2020-12-03 15:38:34

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-28991

Gitea » Gitea
Versions from including (>=) 0.9.99 and before (<) 1.12.6
cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-28991

EPSS FAQ

0.42%

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

~ 61 %

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

CVSS scores for CVE-2020-28991

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2020-28991

https://github.com/go-gitea/gitea/releases/tag/v1.12.6

Release v1.12.6 · go-gitea/gitea · GitHub
Release Notes;Third Party Advisory
https://github.com/go-gitea/gitea/pull/13525

Disallow urlencoded new lines in git protocol paths if there is a port (#13521) by 6543 · Pull Request #13525 · go-gitea/gitea · GitHub
Patch;Third Party Advisory

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Vulnerability Details : CVE-2020-28991

Products affected by CVE-2020-28991

Exploit prediction scoring system (EPSS) score for CVE-2020-28991

CVSS scores for CVE-2020-28991

References for CVE-2020-28991