CVE-2021-33503

Опубликовано: 29 июн. 2021

Источник: nvd

CVSS3: 7.5

CVSS2: 5

EPSS Низкий

Описание

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

Ссылки

https://github.com/advisories/GHSA-q2q7-5pp4-w6pg
Third Party Advisory
https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/
https://security.gentoo.org/glsa/202107-36
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Patch
Third Party Advisory
https://github.com/advisories/GHSA-q2q7-5pp4-w6pg
Third Party Advisory
https://github.com/urllib3/urllib3/commit/2d4a3fee6de2fa45eb82169361918f759269b4ec
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SCV7ZNAHS3E6PBFLJGENCDRDRWRZZ6W/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMUGWEAUYGGHTPPXT6YBD53WYXQGVV73/
https://security.gentoo.org/glsa/202107-36
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Patch
Third Party Advisory

Уязвимые конфигурации

Конфигурация 1

cpe:2.3:a:python:urllib3:*:*:*:*:*:*:*:*

Версия от 1.25.4 (включая) до 1.26.5 (исключая)

Конфигурация 2

Одно из

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

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Конфигурация 3

Одно из

cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*

cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

EPSS

Процентиль: 74%

0.00863

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-400

Связанные уязвимости

CVE-2021-33503

CVSS3: 7.5

ubuntu

почти 4 года назад

CVE-2021-33503

CVSS3: 7.5

redhat

около 4 лет назад

CVE-2021-33503

CVSS3: 7.5

msrc

почти 4 года назад

Описание отсутствует

CVE-2021-33503

CVSS3: 7.5

debian

почти 4 года назад

An issue was discovered in urllib3 before 1.26.5. When provided with a ...

openSUSE-SU-2021:2012-1

suse-cvrf

почти 4 года назад

Security update for python-urllib3

EPSS

Процентиль: 74%

0.00863

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-400