Vulnerability Details : 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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2017-5193
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:irssi:irssi:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5193
1.87%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-5193
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-5193
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5193
-
https://irssi.org/security/irssi_sa_2017_01.txt
Patch;Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2017/01/06/1
oss-security - Re: CVE Request: Irssi Multiple Vulnerabilities (2017/01)Mailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html
[SECURITY] [DLA 1217-1] irssi security updateThird Party Advisory
-
https://security.gentoo.org/glsa/201701-45
irssi: Multiple vulnerabilities (GLSA 201701-45) — Gentoo securityThird Party Advisory
-
http://www.securityfocus.com/bid/95310
Irssi Multiple Memory Corruption VulnerabilitiesThird Party Advisory;VDB Entry
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