NULL pointer dereference in WeeChat - CVE-2020-9759
Published: March 25, 2020
Vulnerability identifier: #VU26383
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-9759
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WeeChat.org
Affected software:
WeeChat
WeeChat
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the "callback" function. A remote attacker can send a specially crafted message 352 (who) and perform a denial of service (DoS) attack.
How to mitigate CVE-2020-9759
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..