CVE-2020-26575

Опубликовано: 06 окт. 2020

Источник: nvd

CVSS3: 7.5

CVSS2: 5

EPSS Низкий

Уязвимость бесконечного цикла в диссекторе протокола Facebook Zero (FBZERO) в Wireshark

Описание

В Wireshark до версии 3.2.7 обнаружена уязвимость, заключающаяся в возможности перехода в бесконечный цикл диссектора протокола Facebook Zero (FBZERO). Эта проблема была решена в epan/dissectors/packet-fbzero.c путем исправления увеличения смещения (offset advancement).

Затронутые версии ПО

Wireshark версии до 3.2.7

Тип уязвимости

Бесконечный цикл (infinite loop)

Ссылки

https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16887
Broken Link
https://gitlab.com/wireshark/wireshark/-/merge_requests/467
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/471
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/472
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/473
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
Mailing List
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
https://security.gentoo.org/glsa/202011-08
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html
Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2020-14.html
Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/16887
Broken Link
https://gitlab.com/wireshark/wireshark/-/merge_requests/467
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/471
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/472
Patch
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/merge_requests/473
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
Mailing List
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

Версия до 3.2.7 (включая)

Конфигурация 2

Одно из

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Конфигурация 3

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Конфигурация 4

Одновременно

cpe:2.3:o:oracle:zfs_storage_appliance_firmware:8.8:*:*:*:*:*:*:*

cpe:2.3:h:oracle:zfs_storage_appliance:-:*:*:*:*:*:*:*

EPSS

Процентиль: 84%

0.02233

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-835

Связанные уязвимости

CVE-2020-26575

CVSS3: 7.5

ubuntu

больше 5 лет назад

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

CVE-2020-26575

CVSS3: 7.5

redhat

больше 5 лет назад

CVE-2020-26575

CVSS3: 7.5

debian

больше 5 лет назад

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) di ...

GHSA-vw2j-3xrw-2q58

github

больше 3 лет назад

BDU:2021-00876

CVSS3: 7.5

fstec

больше 5 лет назад

Уязвимость функции в epan/dissectors/packet-fbzero.c программного обеспечения Wireshark, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 84%

0.02233

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-835