CVE-2017-15721 Information

Description

In Irssi before 1.0.5 certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate but similar issue relative to CVE-2017-9468.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://openwall.com/lists/oss-security/2017/10/22/4 https://irssi.org/security/irssi_sa_2017_10.txt https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html https://www.debian.org/security/2017/dsa-4016

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5