CVE-2022-26495

CRITICAL

9.8

Descricao

In nbd-server in nbd before 3.24, there is an integer overflow with a resultant heap-based buffer overflow. A value of 0xffffffff in the name length field will cause a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue exists for the NBD_OPT_INFO, NBD_OPT_GO, and NBD_OPT_EXPORT_NAME messages.

Detalhes CVE

Pontuacao CVSS v3.19.8

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/6/2022

Ultima modificacao11/21/2024

Fontenvd

Avistamentos honeypot0

Produtos afetados

debian:debian_linuxfedoraproject:fedoranetwork_block_device_project:network_block_device

Fraquezas (CWE)

CWE-190

Referencias

https://lists.debian.org/debian-lts-announce/2022/03/msg00014.html(cve@mitre.org)

https://lists.debian.org/nbd/2022/01/msg00037.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/(cve@mitre.org)

https://security.gentoo.org/glsa/202402-10(cve@mitre.org)

https://sourceforge.net/projects/nbd/files/nbd/(cve@mitre.org)

https://www.debian.org/security/2022/dsa-5100(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2022/03/msg00014.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/nbd/2022/01/msg00037.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G2UPX62BIWOOHSACGUDB7E3O4URNN37F/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZHR73XMAJTCFGKUZRXVTZKCK2X3IFNA/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PU5JFD4PEJED72TZLZ5R2Q2SFXICU5I5/(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202402-10(af854a3a-2127-422b-91ae-364da2661108)

https://sourceforge.net/projects/nbd/files/nbd/(af854a3a-2127-422b-91ae-364da2661108)

https://www.debian.org/security/2022/dsa-5100(af854a3a-2127-422b-91ae-364da2661108)

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