SB2017102205 - NULL pointer dereference in Irssi



SB2017102205 - NULL pointer dereference in Irssi

Published: October 22, 2017 Updated: July 28, 2020

Security Bulletin ID SB2017102205
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2017-15723)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in Irssi before 1.0.5, overlong nicks or targets may result in a NULL pointer dereference while splitting the message. A remote attacker can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.