Vulnerability Report

CVE-2014-4943

Title: Redhat Enterprise Linux Server Aus Auth Bypass

Auth Bypass

Proof Of Concept

PoC Available for CVE-2014-4943

CWE Category CWE-269
Published Date Jul 19, 2014
Modified Date May 06, 2026
Exploit Status Available
Score 6.9 CVSS v2.0
Exploit Probability (EPSS)
1.03%

Vulnerability Summary

CVE-2014-4943: The PPPoL2TP feature in net/l2tp/l2tp_ppp.c in the Linux kernel through 3.15.6 allows local users to gain privileges by leveraging data-structure differences between an l2tp socket and an inet socket.

Impacted Vendors

Reference Links

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf http://linux.oracle.com/errata/ELSA-2014-0924.html http://linux.oracle.com/errata/ELSA-2014-3047.html http://linux.oracle.com/errata/ELSA-2014-3048.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://openwall.com/lists/oss-security/2014/07/17/1 http://osvdb.org/show/osvdb/109277 http://rhn.redhat.com/errata/RHSA-2014-1025.html http://secunia.com/advisories/59790 http://secunia.com/advisories/60011 http://secunia.com/advisories/60071 http://secunia.com/advisories/60220 http://secunia.com/advisories/60380 http://secunia.com/advisories/60393 http://www.debian.org/security/2014/dsa-2992 http://www.exploit-db.com/exploits/36267 http://www.securitytracker.com/id/1030610 https://bugzilla.redhat.com/show_bug.cgi?id=1119458 https://exchange.xforce.ibmcloud.com/vulnerabilities/94665 https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3cf521f7dc87c031617fd47e4b7aa2593c2f3daf http://linux.oracle.com/errata/ELSA-2014-0924.html http://linux.oracle.com/errata/ELSA-2014-3047.html http://linux.oracle.com/errata/ELSA-2014-3048.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://openwall.com/lists/oss-security/2014/07/17/1 http://osvdb.org/show/osvdb/109277 http://rhn.redhat.com/errata/RHSA-2014-1025.html http://secunia.com/advisories/59790 http://secunia.com/advisories/60011 http://secunia.com/advisories/60071 http://secunia.com/advisories/60220 http://secunia.com/advisories/60380 http://secunia.com/advisories/60393 http://www.debian.org/security/2014/dsa-2992 http://www.exploit-db.com/exploits/36267 http://www.securitytracker.com/id/1030610 https://bugzilla.redhat.com/show_bug.cgi?id=1119458 https://exchange.xforce.ibmcloud.com/vulnerabilities/94665 https://github.com/torvalds/linux/commit/3cf521f7dc87c031617fd47e4b7aa2593c2f3daf
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-4943 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/36267
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

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:M/Au:N/C:C/I:C/A:C

Affected Stack

No specific products linked.