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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2011-2939

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
13/01/2012
Last modified:
11/04/2025

Description

Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.

Impact

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

Base Score: 5.10 MEDIUM
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P

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

Base Score 2.0
5.10
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:dan_kogai:encode_module:*:*:*:*:*:*:*:* 2.43 (including)
cpe:2.3:a:dan_kogai:encode_module:0.93:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.94:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.95:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.96:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.97:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.98:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:0.99:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.00:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.01:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.10:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.11:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.20:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.21:*:*:*:*:*:*:*
cpe:2.3:a:dan_kogai:encode_module:1.25:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools