A use-after-free was found in the way Irssi, version 0.8.18 and later, handled out of order SASL messages sent by an IRC server. A remote attacker, who controls an IRC server, could crash the application by exploiting this flaw.
Find out more about CVE-2018-7053 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 as they did not include support for SASL.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 3.7 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity Impact | None |
Availability Impact | Low |
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | irssi | Not affected |
Red Hat Enterprise Linux 6 | irssi | Not affected |