CVE-2009-1959

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

• Irssi 0.8.13 - 'WALLOPS' Message Off-by-One Heap Memory Corruption2009-05-15 · dos · linux · Verified

Impact

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.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://bugs.irssi.org/index.php?do=details&task_id=662
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://secunia.com/advisories/35685
• http://secunia.com/advisories/35812
• http://secunia.com/advisories/36152
• http://www.irssi.org/ChangeLog
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
• http://www.openwall.com/lists/oss-security/2009/05/29/3
• http://www.securityfocus.com/bid/35399
• http://www.securitytracker.com/id?1022410
• http://www.ubuntu.com/usn/usn-800-1
• http://www.vupen.com/english/advisories/2009/1596
• http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
• http://bugs.irssi.org/index.php?do=details&task_id=662
• http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• http://secunia.com/advisories/35685
• http://secunia.com/advisories/35812
• http://secunia.com/advisories/36152
• http://www.irssi.org/ChangeLog
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
• http://www.openwall.com/lists/oss-security/2009/05/29/3
• http://www.securityfocus.com/bid/35399
• http://www.securitytracker.com/id?1022410