Remote code execution in Sourcegraph



Published: 2022-06-20 | Updated: 2022-07-27
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-23642
CWE-ID CWE-94
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Sourcegraph
Client/Desktop applications / Other client software

Vendor Sourcegraph

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Code Injection

EUVDB-ID: #VU64491

Risk: Medium

CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2022-23642

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in the "gitserver" service. A remote user can send a specially crafted request and execute arbitrary code on the target system.

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 - 3.36.3

External links

http://github.com/sourcegraph/sourcegraph/security/advisories/GHSA-qcmp-fx72-q8q9
http://github.com/sourcegraph/sourcegraph/pull/30833


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. However, a fully functional exploit for this vulnerability is available.



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