CVEvulnerability

CVE-2013-0238

5.0 MEDIUM Published 2013-02-13 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2013-02-13
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-20

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.

Affected configurations

• ircd-hybrid ircd-hybrid (<= 8.0.5) • ircd-hybrid ircd-hybrid 7.2.0 • ircd-hybrid ircd-hybrid 7.2.1 • ircd-hybrid ircd-hybrid 7.2.2 • ircd-hybrid ircd-hybrid 7.2.3 • ircd-hybrid ircd-hybrid 7.3.0 • ircd-hybrid ircd-hybrid 7.3.1 • ircd-hybrid ircd-hybrid 8.0.0 • ircd-hybrid ircd-hybrid 8.0.1 • ircd-hybrid ircd-hybrid 8.0.2 • ircd-hybrid ircd-hybrid 8.0.3 • ircd-hybrid ircd-hybrid 8.0.4

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References