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Arbitrary Command Execution in gitserver through customGitFetch feature

Critical
evict published GHSA-4qhq-4x4h-fxm8 Nov 22, 2022

Package

gomod Sourcegraph (Go)

Affected versions

< 4.1.0

Patched versions

4.1.0

Description

Impact

As a site admin it was possible to execute arbitrary commands on Gitserver when the experimental customGitFetch feature was enabled. This experimental feature has now been disabled by default.

Patches

This has been resolved in version 4.1.0.

References

For more information

If you have any questions or comments about this advisory email us at security@sourcegraph.com

Severity

Critical
9.0
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:L

CVE ID

CVE-2022-41943

Weaknesses