Vulnerability in Irssi
CVE-2009-1959
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.084 (94.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.084 · newest: 0.084 · change: 0.000
Affected products
- Irssi — versions 0.8.13
Weakness classification (CWE)
References
- xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/ (Exploit)
- www.securitytracker.com/id (vdb-entry)
- www.openwall.com/lists/oss-security/2009/05/29/3 (mailing-list)
- www.securityfocus.com/bid/35399 (vdb-entry)
- www.irssi.org/ChangeLog (Exploit, Vendor Advisory)
- www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html (vendor-advisory)
- bugs.irssi.org/index.php (Exploit, Vendor Advisory)
- secunia.com/advisories/35685 (third-party-advisory)
- www.vupen.com/english/advisories/2009/1596 (vdb-entry)
- lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html (vendor-advisory)