Описание
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
A null pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing invalid XPath expression. Applications processing untrusted XSL format inputs with the use of libxml2 library may be vulnerable to denial of service attack due to crash of the application.
Отчет
This issue affects the versions of libxml2 as shipped with Red Hat Enterprise Linux 5. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. This issue affects the versions of libxml2 as shipped with Red Hat Enterprise Linux 6. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. This issue affects the versions of libxml2 as shipped with Red Hat Enterprise Linux 7. Red Hat Product Security has rated this issue as having a security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 5 | libxml2 | Will not fix | ||
| Red Hat Enterprise Linux 6 | libxml2 | Will not fix | ||
| Red Hat Enterprise Linux 8 | mingw-libxml2 | Will not fix | ||
| Red Hat JBoss Web Server 3 | libxml2 | Not affected | ||
| JBoss Core Services Apache HTTP Server 2.4.29 SP2 | libxml2 | Fixed | RHSA-2019:1543 | 18.06.2019 |
| Red Hat Ansible Tower 3.5 for RHEL 7 | ansible-tower-35/ansible-tower | Fixed | RHBA-2020:1539 | 22.04.2020 |
| Red Hat Ansible Tower 3.6 for RHEL 7 | ansible-tower-36/ansible-tower | Fixed | RHBA-2020:1540 | 22.04.2020 |
| Red Hat Enterprise Linux 7 | libxml2 | Fixed | RHSA-2020:1190 | 31.03.2020 |
| Red Hat Enterprise Linux 8 | libxml2 | Fixed | RHSA-2020:1827 | 28.04.2020 |
| Red Hat Enterprise Linux 8 | libxml2 | Fixed | RHSA-2020:1827 | 28.04.2020 |
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Дополнительная информация
Статус:
6.5 Medium
CVSS3
Связанные уязвимости
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPat ...
Уязвимость функции xpath.c:xmlXPathCompOpEval() библиотеки libxml2, связанная с ошибками разыменования указателя, позволяющая нарушителю вызвать отказ в обслуживании
6.5 Medium
CVSS3