Vulnerability identifier: #VU68417
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-401
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
X.org Server
Server applications /
Other server solutions
Vendor: X.org
Description
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the xquartz component in hw/xquartz/X11Controller.m. A local user can force the application to leak memory and perform denial of service attack.
Mitigation
Install update from vendor's website.
Vulnerable software versions
X.org Server: 21.0.99.1 - 21.1.4
External links
http://vuldb.com/?id.211053
http://cgit.freedesktop.org/xorg/xserver/commit/?id=dfd057996b26420309c324ec844a5ba6dd07eda3
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.