Описание
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| exim4 | fixed | 4.94.2-1 | package |
Примечания
Introduced by: https://git.exim.org/exim.git/commit/80a47a2c9633437d4ceebd214cd44abfbd4f4543 (exim-4_70_RC3)
https://www.openwall.com/lists/oss-security/2021/05/04/7
EPSS
Связанные уязвимости
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.
Уязвимость функции pdkim_finish_bodyhash() агента пересылки сообщений Exim, связанная с чтением за границами буфера в памяти, позволяющая нарушителю получить доступ конфиденциальной информации
EPSS