In Irssi before 1.0.5, overlong nicks or targets may result in a NULL pointer dereference while splitting the message.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-15723 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect the versions of irssi as shipped with Red Hat Enterprise Linux 6 and 7.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | irssi | Not affected |
| Red Hat Enterprise Linux 6 | irssi | Not affected |
Vulmon