Описание
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| exim4 | fixed | 4.89-13 | package | |
| exim4 | not-affected | jessie | package | |
| exim4 | not-affected | wheezy | package |
Примечания
https://bugs.exim.org/show_bug.cgi?id=2201
https://git.exim.org/exim.git/commitdiff/178ecb70987f024f0e775d87c2f8b2cf587dd542
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
4.89-10 adds a workaround which disables the affected code by default
EPSS
Связанные уязвимости
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors involving BDAT commands and an improper check for a '.' character signifying the end of the content, related to the bdat_getc function.
Уязвимость функции receive_msg (receive.c) SMTP-демона почтового сервера Exim операционной системы Debian GNU/Linux, позволяющая нарушителю вызвать отказ в обслуживании или выполнить произвольный код
EPSS