Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-4073

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
17/11/2011
Last modified:
11/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:S/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:xelerance:openswan:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.5:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.6:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.7:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.8:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.9:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.10:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.11:*:*:*:*:*:*:*
cpe:2.3:a:xelerance:openswan:2.4.12:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools