Vulnerability CVE-2009-4893
Published: 2010-06-15   Modified: 2012-02-13

Description:
Buffer overflow in UnrealIRCd 3.2beta11 through 3.2.8, when allow::options::noident is enabled, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Unrealircd -> Unrealircd 

 References:
http://www.unrealircd.com/txt/unrealsecadvisory.20090413.txt
http://www.securityfocus.com/bid/42077
http://www.openwall.com/lists/oss-security/2010/06/14/13
http://security.gentoo.org/glsa/glsa-201006-21.xml
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