ALT-PU-2020-2669-1
Closed vulnerabilities
Published: 2020-09-11
BDU:2021-02599
Уязвимость библиотеки предоставления клиентского API для X Window System libX11, связанная с использованием памяти после ее освобождения, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код
Severity: HIGH (7.8)
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
Published: 2020-09-11
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-14363
An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability.
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References:
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14363
- https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt
- https://github.com/Ruia-ruia/Exploits/blob/master/DFX11details.txt
- https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh
- https://github.com/Ruia-ruia/Exploits/blob/master/x11doublefree.sh
- FEDORA-2020-cf0afbd27e
- FEDORA-2020-cf0afbd27e
- https://lists.x.org/archives/xorg-announce/2020-August/003056.html
- https://lists.x.org/archives/xorg-announce/2020-August/003056.html
- USN-4487-2
- USN-4487-2