National Cyber-Alert System

Vulnerability Summary for CVE-2009-1959

Overview

Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: FEDORA

Name: FEDORA-2009-7012

Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html

External Source: MISC

Name: http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/

Hyperlink:http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/

External Source: XF

Name: irssi-eventwallops-dos(51184)

Hyperlink:http://xforce.iss.net/xforce/xfdb/51184

External Source: VUPEN

Name: ADV-2009-1596

Hyperlink:http://www.vupen.com/english/advisories/2009/1596

External Source: UBUNTU

Name: USN-800-1

Hyperlink:http://www.ubuntu.com/usn/usn-800-1

External Source: SECTRACK

Name: 1022410

Hyperlink:http://www.securitytracker.com/id?1022410

External Source: BID

Name: 35399

Hyperlink:http://www.securityfocus.com/bid/35399

External Source: MLIST

Name: [oss-security] 20090529 CVE Request (irssi)

Hyperlink:http://www.openwall.com/lists/oss-security/2009/05/29/3

External Source: MANDRIVA

Name: MDVSA-2009:133

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2009:133

External Source: CONFIRM

Name: http://www.irssi.org/ChangeLog

Type: Advisory

Hyperlink:http://www.irssi.org/ChangeLog

External Source: SECUNIA

Name: 36152

Hyperlink:http://secunia.com/advisories/36152

External Source: SECUNIA

Name: 35812

Hyperlink:http://secunia.com/advisories/35812

External Source: SECUNIA

Name: 35685

Hyperlink:http://secunia.com/advisories/35685

External Source: SUSE

Name: SUSE-SR:2009:012

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html

External Source: CONFIRM

Name: http://bugs.irssi.org/index.php?do=details&task_id=662

Type: Advisory

Hyperlink:http://bugs.irssi.org/index.php?do=details&task_id=662