CVE-2020-14308

MEDIUM

6.4

Description

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.

Details CVE

Score CVSS v3.16.4

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteHIGH

Privileges requisHIGH

Interaction utilisateurNONE

Publie7/29/2020

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

gnu:grub2opensuse:leap

Faiblesses (CWE)

CWE-190

References

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)

Correlations IOC

Aucune correlation enregistree

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