Sourcegraph up to 3.36 gitserver Service code injection

Summaryinfo

A vulnerability marked as critical has been reported in Sourcegraph up to 3.36. Affected is an unknown function of the component gitserver Service. The manipulation leads to code injection. This vulnerability is traded as CVE-2022-23642. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Sourcegraph up to 3.36 and classified as critical. This issue affects an unknown code of the component gitserver Service. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The weakness was shared 02/19/2022 as GHSA-qcmp-fx72-q8q9. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-23642 since 01/19/2022. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 3.37 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50964). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• Sourcegraph

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18
• 3.19
• 3.20
• 3.21
• 3.22
• 3.23
• 3.24
• 3.25
• 3.26
• 3.27
• 3.28
• 3.29
• 3.30
• 3.31
• 3.32
• 3.33
• 3.34
• 3.35
• 3.36

Website

• Product: https://github.com/sourcegraph/sourcegraph/

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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