CVE-2020-14363

CVSS 7.8 HIGHEPSS 0.6%CWE-190 CWE-416

Vexday Risk Score

21Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 7.8EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

11 sep 2020Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Productos afectados

The X11 Project · libX11

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Referencias

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/x11doublefree.sh https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7AVXCQOSCAPKYYHFIJAZ6E2C7LJBTLXF/https://lists.x.org/archives/xorg-announce/2020-August/003056.html https://usn.ubuntu.com/4487-2/