CVE-2020-14363

CVSS 7.8 HIGHEPSS 0.6%CWE-190 CWE-416

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

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

Ciclo de vida

11 set 2020Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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

Produtos afetados

The X11 Project · libX11

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Referências

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/