CVE-2022-23642

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Summary

CVECVE-2022-23642
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-02-18 23:15:00 UTC
Updated2023-06-27 19:01:00 UTC
DescriptionSourcegraph is a code search and navigation engine. Sourcegraph prior to version 3.37 is vulnerable to remote code execution in the `gitserver` service. The service acts as a git exec proxy, and fails to properly restrict calling `git config`. This allows an attacker to set the git `core.sshCommand` option, which sets git to use the specified command instead of ssh when they need to connect to a remote system. Exploitation of this vulnerability depends on how Sourcegraph is deployed. An attacker able to make HTTP requests to internal services like gitserver is able to exploit it. This issue is patched in Sourcegraph version 3.37. As a workaround, ensure that requests to gitserver are properly protected.

Risk And Classification

Problem Types: CWE-862

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Sourcegraph Sourcegraph All All All All

References

ReferenceSourceLinkTags
gitserver: Only allow acceptable commands and POST method in /exec by indradhanush · Pull Request #30833 · sourcegraph/sourcegraph · GitHub MISC github.com
Remote Code Execution in gitserver · Advisory · sourcegraph/sourcegraph · GitHub CONFIRM github.com
Sourcegraph Gitserver 3.36.3 Remote Code Execution ≈ Packet Storm MISC packetstormsecurity.com
Sourcegraph gitserver sshCommand Remote Command Execution ≈ Packet Storm MISC packetstormsecurity.com
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