SB2017102329 - NULL pointer dereference in irssi (Alpine package)
Published: October 23, 2017
Security Bulletin ID
SB2017102329
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- 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.