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CVE-2020-14346

HIGH

7.8

Descricao

A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Detalhes CVE

Pontuacao CVSS v3.17.8

SeveridadeHIGH

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

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado9/15/2020

Ultima modificacao8/29/2025

Fontenvd

Avistamentos honeypot0

Produtos afetados

canonical:ubuntu_linuxredhat:enterprise_linuxx.org:x_server

Fraquezas (CWE)

CWE-191CWE-191

Referencias

https://bugzilla.redhat.com/show_bug.cgi?id=1862246(secalert@redhat.com)

https://lists.x.org/archives/xorg-announce/2020-August/003058.html(secalert@redhat.com)

https://security.gentoo.org/glsa/202012-01(secalert@redhat.com)

https://usn.ubuntu.com/4488-2/(secalert@redhat.com)

https://www.zerodayinitiative.com/advisories/ZDI-20-1417/(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1862246(af854a3a-2127-422b-91ae-364da2661108)

https://lists.x.org/archives/xorg-announce/2020-August/003058.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202012-01(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4488-2/(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-20-1417/(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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