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.
A flaw was found in python-urllib3. When provided with a URL containing many @ characters in the authority component, the authority's regular expression exhibits catastrophic backtracking. This flaw causes a denial of service if a URL is passed as a parameter or redirected via an HTTP redirect. The highest threat from this vulnerability is to system availability.
Отчет
- Red Hat OpenShift Container Platform (OCP) 4 delivers the python-urllib3 package which includes a vulnerable version of urllib3 module, however from OCP 4.6 the python-urllib3 package is no longer shipped. OCP 4.5 is out of support scope for Moderate and Low impact vulnerabilities, hence is marked Out Of Support Scope. The python-urllib3 package used in OCP 3.11 is not affected by this flaw.
Меры по смягчению последствий
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | python-urllib3 | Not affected | ||
| Red Hat Enterprise Linux 7 | python-urllib3 | Not affected | ||
| Red Hat Enterprise Linux 8 | python27:2.7/python2-pip | Not affected | ||
| Red Hat Enterprise Linux 8 | python27:2.7/python-urllib3 | Not affected | ||
| Red Hat Enterprise Linux 8 | python-pip | Not affected | ||
| Red Hat Enterprise Linux 8 | python-urllib3 | Not affected | ||
| Red Hat Enterprise Linux 9 | python-urllib3 | Not affected | ||
| Red Hat OpenShift Container Platform 3.11 | python-urllib3 | Not affected | ||
| Red Hat OpenShift Container Platform 4 | python-urllib3 | Out of support scope | ||
| Red Hat OpenStack Platform 10 (Newton) | python-urllib3 | Out of support scope |
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Дополнительная информация
Статус:
7.5 High
CVSS3
Связанные уязвимости
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.
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.
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.
An issue was discovered in urllib3 before 1.26.5. When provided with a ...
7.5 High
CVSS3