SB2017062717 - Fedora 25 update for irssi
Published: June 27, 2017 Updated: April 24, 2025
Security Bulletin ID
SB2017062717
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Null pointer dereference (CVE-ID: CVE-2017-9468)
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:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to NULL pointer dereference. A remote attacker can return a specially crafted DCC message without a source nick or host value and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
2) Memory corruption (CVE-ID: CVE-2017-9469)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to out-of-bounds memory error. A remote attacker can send specially crafted incorrectly quoted DCC files and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.