Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Irssi | Irssi | 0.8.13 |
Related Weaknesses (CWE)
References
- http://bugs.irssi.org/index.php?do=details&task_id=662ExploitVendor Advisory
- 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/ChangeLogExploitVendor Advisory
- 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/Exploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.htm
FAQ
What is CVE-2009-1959?
CVE-2009-1959 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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-by...
How severe is CVE-2009-1959?
CVE-2009-1959 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1959?
Check the references section above for vendor advisories and patch information. Affected products include: Irssi Irssi.