Arch Linux Security Advisory ASA-201711-19

Severity: Medium
Date : 2017-11-12
CVE-ID : CVE-2017-15923
Package : konversation
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-489

Summary

The package konversation before version 1.7.3-1 is vulnerable to denial
of service.

Resolution

Upgrade to 1.7.3-1.

pacman -Syu “konversation>=1.7.3-1”

The problem has been fixed upstream in version 1.7.3.

Workaround

Go to Interface -> Colors in the Configure Konversation dialog and
uncheck Allow Colored Text in IRC Messages (near the bottom)

Description

A denial of service vulnerability has been discovered in Konversation
before 1.7.3 when handling colors in IRC messages. Any malicious user
connected to the same IRC network could send a carefully crafted
message that would crash the Konversation user client.

Impact

A remote attacker is able to craft messages that can result in the
client crashing.

References

https://www.kde.org/info/security/advisory-20171112-1.txt
https://cgit.kde.org/konversation.git/commit/?h=1.7&id=34cc9556c1a089fac6b674d3bd6f2248e9512902
https://security.archlinux.org/CVE-2017-15923