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

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CVE-2013-0238

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
13/02/2013
Last modified:
11/04/2025

Description

The try_parse_v4_netmask function in hostmask.c in IRCD-Hybrid before 8.0.6 does not properly validate masks, which allows remote attackers to cause a denial of service (crash) via a mask that causes a negative number to be parsed.

Impact

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:ircd-hybrid:ircd-hybrid:*:*:*:*:*:*:*:* 8.0.5 (including)
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:beta3:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ircd-hybrid:ircd-hybrid:8.0.2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools