HIGH · 7.5

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 Description

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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
IrssiIrssi< 0.8.21
DebianDebian Linux7.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2017-5193?

CVE-2017-5193 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2017-5193?

CVE-2017-5193 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-5193?

Check the references section above for vendor advisories and patch information. Affected products include: Irssi Irssi, Debian Debian Linux.