CVE-2020-14308

MEDIUM

6.4

Descricao

In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.

Detalhes CVE

Pontuacao CVSS v3.16.4

SeveridadeMEDIUM

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

Vetor de ataqueLOCAL

ComplexidadeHIGH

Privilegios necessariosHIGH

Interacao do usuarioNONE

Publicado7/29/2020

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

gnu:grub2opensuse:leap

Fraquezas (CWE)

CWE-190

Referencias

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html(secalert@redhat.com)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2020/07/29/3(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2021/09/17/2(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2021/09/17/4(secalert@redhat.com)

http://www.openwall.com/lists/oss-security/2021/09/21/1(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1852009(secalert@redhat.com)

https://security.gentoo.org/glsa/202104-05(secalert@redhat.com)

https://security.netapp.com/advisory/ntap-20200731-0008/(secalert@redhat.com)

https://usn.ubuntu.com/4432-1/(secalert@redhat.com)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00016.html(af854a3a-2127-422b-91ae-364da2661108)

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00017.html(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2020/07/29/3(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/09/17/2(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/09/17/4(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/09/21/1(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=1852009(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202104-05(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20200731-0008/(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4432-1/(af854a3a-2127-422b-91ae-364da2661108)

Correlacoes IOC

Sem correlacoes registradas

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