SB2017070806 - NULL pointer dereference in irssi (Alpine package)
Published: July 8, 2017
Security Bulletin ID
SB2017070806
CSH Severity
Low
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-2017-10965)
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:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference error when parsing messages with invalid time stamps in Irssi. A remote attacker can send a specially crafted message and crash the affected server.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=2cb39ad721267f5b8898c4f6302ffeb5e6088d1a
- https://git.alpinelinux.org/aports/commit/?id=52d4d14ef14530f33217fa687536a6af4f680de9
- https://git.alpinelinux.org/aports/commit/?id=eecd5912823c501ff930d70cd18171540efa79ba
- https://git.alpinelinux.org/aports/commit/?id=255a2e7c04fb35198c757ec5e35769516dee9ef9