Description
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.
Exploits (1)
References (15)
Core 15
Core References
Exploit x_refsource_misc
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1022410
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/05/29/3
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/35399
Exploit, Vendor Advisory x_refsource_confirm
http://www.irssi.org/ChangeLog
Vendor Advisory vendor-advisory
x_refsource_fedora
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
Exploit, Vendor Advisory x_refsource_confirm
http://bugs.irssi.org/index.php?do=details&task_id=662
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35685
Third Party Advisory vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1596
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-800-1
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35812
Vendor Advisory vendor-advisory
x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/36152
Scores
EPSS
0.0692
EPSS Percentile
91.5%
Details
CWE
CWE-189
Status
published
Products (1)
irssi/irssi
0.8.13
Published
Jun 08, 2009
Tracked Since
Feb 18, 2026