Vulnerability CVE-2010-0303
Published: 2010-02-04   Modified: 2012-02-13

Description:
mystring.c in hybserv in IRCD-Hybrid (aka Hybrid2 IRC Services) 1.9.2 through 1.9.4 allows remote attackers to cause a denial of service (daemon crash) via a ":help \t" private message to the MemoServ service.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Hybserv2 \':help\' Command Denial Of Service Vulnerability
Josh Bressers
06.02.2010

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
Dinko korunic -> Hybserv2 

 References:
http://security.debian.org/pool/updates/main/h/hybserv/hybserv_1.9.2-4+lenny2.diff.gz
http://xforce.iss.net/xforce/xfdb/55992
http://www.securityfocus.com/bid/38006
http://www.debian.org/security/2010/dsa-1982
http://secunia.com/advisories/38352
http://secunia.com/advisories/38350
http://marc.info/?l=oss-security&m=126476591925300&w=2
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550389
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