Home/CVE/The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereferen
CVE

CVE-2017-5193

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereferen

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.

HIGH · CVSS 7.5 EPSS 0.01865
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

2
irssi< 0.8.21
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Mar 2017 · 03:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

4
suse-csafopenSUSE-SU-2024:10865-1
usnUSN-3184-1
suse-csafopenSUSE-SU-2017:0093-1
suse-csafopenSUSE-SU-2017:0094-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2017/01/06/1Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/95310Third Party AdvisoryVDB Entry
https://irssi.org/security/irssi_sa_2017_01.txtPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.htmlThird Party Advisory
https://security.gentoo.org/glsa/201701-45Third Party Advisory
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