Vulnerability identifier: #VU69504

Vulnerability risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41942

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sourcegraph
Client/Desktop applications / Other client software

Vendor: Sourcegraph

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation on the host parameter of the /list-gitolite endpoint. A remote user can pass specially crafted data to gitserver and execute arbitrary OS commands inside the container.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Sourcegraph: 3.0.0 - 4.0.1

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External links
http://github.com/sourcegraph/sourcegraph/security/advisories/GHSA-pfm3-23mh-6xjp

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.