Input validation error in konversation - CVE-2017-15923
Published: November 15, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU37957
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-15923
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Konversation 1.4.x, 1.5.x, 1.6.x, and 1.7.x before 1.7.3 allow remote attackers to cause a denial of service (crash) via vectors related to parsing of IRC color formatting codes.
Affected software
konversation
Arch Linux
Fedora
konversation
Arch Linux
Fedora
konversation
How to mitigate CVE-2017-15923
Install update from vendor's website.
konversation - update to 1.7.3
konversation - addressed in versions 1.5.1-4.el7, 1.7.4-1.fc25, 1.7.4-1.fc26, 1.7.4-1.fc27
konversation - addressed in versions 1.5.1-4.el7, 1.7.4-1.fc25, 1.7.4-1.fc26, 1.7.4-1.fc27