NULL pointer dereference in Irssi
CVE-2017-5193
The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.056 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · change: 0.000
Affected products
- Irssi
- Debian Linux — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2017/01/06/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00022.html (mailing-list, Third Party Advisory)
- irssi.org/security/irssi_sa_2017_01.txt (Patch, Vendor Advisory)
- www.securityfocus.com/bid/95310 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201701-45 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5193?
- CVE-2017-5193 is a high-severity vulnerability in Irssi, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2017-03-03.
- How severe is CVE-2017-5193?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-5193 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.