Vulnerability Report

CVE-2015-4625

Title: Polkit Project Polkit Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2015-4625.

CWE Category CWE-189

Published Date Oct 26, 2015

Modified Date May 06, 2026

Exploit Status Not Found

Score 4.6 CVSS v2.0

Exploit Probability (EPSS)

0.10%

Vulnerability Summary

CVE-2015-4625: 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.

Impacted Vendors

polkit_project 1

freedesktop 1

Reference Links

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.6

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-4625 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

October 26, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.