CVE-2017-9468: Null Pointer Dereference
In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/irssito a version that resolves this vulnerability.Fixed in 1.0.3-r0 - Upgrade
Upgrade
alpine/irssito a version that resolves this vulnerability.Fixed in 0.8.21-r1
Event History
Frequently Asked Questions
What is the severity of CVE-2017-9468?
CVE-2017-9468 has a medium severity level as it can cause application crashes.
How do I fix CVE-2017-9468?
To fix CVE-2017-9468, upgrade Irssi to version 1.0.3 or later.
Which versions of Irssi are affected by CVE-2017-9468?
Irssi versions prior to 1.0.3 are affected by CVE-2017-9468.
Can CVE-2017-9468 lead to remote code execution?
CVE-2017-9468 does not lead to remote code execution, but it could allow a denial of service condition.
Is CVE-2017-9468 specific to any operating system?
CVE-2017-9468 affects Irssi on various operating systems, including Debian Linux versions 8.0 and 9.0.