Vulnerability CVE-2013-0238
Published: 2013-02-12   Modified: 2013-02-13

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
ircd-hybrid 8.0.5 Denial Of Service
kingcope
12.04.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ircd-hybrid -> Ircd-hybrid 

 References:
https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0055
http://xforce.iss.net/xforce/xfdb/81695
http://www.securityfocus.com/bid/57610
http://www.openwall.com/lists/oss-security/2013/01/29/8
http://www.mandriva.com/security/advisories?name=MDVSA-2013:093
http://www.exploit-db.com/exploits/24951
http://www.debian.org/security/2013/dsa-2618
http://svn.ircd-hybrid.org:8000/viewcvs.cgi/ircd-hybrid/trunk/src/hostmask.c?r1=1786&r2=1785&pathrev=1786
http://secunia.com/advisories/52106
http://secunia.com/advisories/51948
http://osvdb.org/89623
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699267
Copyright 2024, cxsecurity.com

 

Back to Top