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githubGitHub Advisory DatabaseGHSA-5GJH-5J4F-CPWV
HistoryMar 28, 2022 - 4:46 p.m.

Unrestricted Upload of File with Dangerous Type in Gogs

2022-03-2816:46:41
CWE-20
CWE-434
GitHub Advisory Database
github.com
32

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.118 Low

EPSS

Percentile

95.3%

Impact

The malicious user is able to upload a crafted config file into repository’s .git directory with to gain SSH access to the server. All installations with repository upload enabled (default) are affected.

Patches

Repository file uploads are prohibited to its .git directory. Users should upgrade to 0.12.6 or the latest 0.13.0+dev.

Workarounds

Disable repository files upload.

References

https://huntr.dev/bounties/b4928cfe-4110-462f-a180-6d5673797902/

For more information

If you have any questions or comments about this advisory, please post on #6833.

Affected configurations

Vulners
Node
gogs.iogogsRange<0.12.6
CPENameOperatorVersion
gogs.io/gogslt0.12.6

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.118 Low

EPSS

Percentile

95.3%