Vulnerability identifier: #VU14504
Vulnerability risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Xlib
Universal components / Libraries /
Libraries used by multiple products
Vendor: X.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to out-of-bounds write when handling malicious input. A remote unauthenticated attacker can trick the victim into opening a specially crafted data, trigger memory corruption and execute arbitrary code on the target X client.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Xlib: 1.0.1 - 1.6.6
External links
http://gitlab.freedesktop.org/xorg/lib/libx11/commit/dbf72805fd9d7b1846fe9a11b46f3994bfc27fea
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.