Описание
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| c-ares | fixed | 1.16.1-1 | package | |
| c-ares | not-affected | buster | package | |
| c-ares | not-affected | stretch | package |
Примечания
https://bugzilla.redhat.com/show_bug.cgi?id=1866838
Introduced in: https://github.com/c-ares/c-ares/commit/dbd4c441fb7babad5c56f455d720af38e20546bc (1.16.0)
Fixed by: https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e (1.16.1)
EPSS
Связанные уязвимости
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
A possible use-after-free and double-free in c-ares lib version 1.16.0 if ares_destroy() is called prior to ares_getaddrinfo() completing. This flaw possibly allows an attacker to crash the service that uses c-ares lib. The highest threat from this vulnerability is to this service availability.
Уязвимость функций ares_destroy() и ares_getaddrinfo() библиотеки асинхронных DNS-запросов C-ares, связанная с использованием памяти после её освобождения, позволяющая нарушителю вызвать отказ в обслуживании
EPSS