Vulnerability Report

CVE-2011-4073

Title: Xelerance Openswan Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2011-4073.

CWE Category CWE-399
Published Date Nov 17, 2011
Modified Date Apr 29, 2026
Exploit Status Not Found
Score 4.0 CVSS v2.0
Exploit Probability (EPSS)
1.15%

Vulnerability Summary

CVE-2011-4073: Use-after-free vulnerability in the cryptographic helper handler functionality in Openswan 2.3.0 through 2.6.36 allows remote authenticated users to cause a denial of service (pluto IKE daemon crash) via vectors related to the (1) quick_outI1_continue and (2) quick_outI1 functions.

Impacted Vendors

O
openswan 1
X
xelerance 1

Reference Links

http://secunia.com/advisories/46678 http://secunia.com/advisories/46681 http://secunia.com/advisories/47342 http://www.debian.org/security/2011/dsa-2374 http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt http://www.redhat.com/support/errata/RHSA-2011-1422.html http://www.securityfocus.com/bid/50440 http://www.securitytracker.com/id?1026268 http://secunia.com/advisories/46678 http://secunia.com/advisories/46681 http://secunia.com/advisories/47342 http://www.debian.org/security/2011/dsa-2374 http://www.openswan.org/download/CVE-2011-4073/CVE-2011-4073.txt http://www.redhat.com/support/errata/RHSA-2011-1422.html http://www.securityfocus.com/bid/50440 http://www.securitytracker.com/id?1026268
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-4073 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

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

Affected Stack

No specific products linked.