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CVE-2023-42116

Опубликовано: 27 сент. 2023
Источник: redhat
CVSS3: 8.1
EPSS Низкий

Описание

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17515.

The vulnerability was found in Exim within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Authentication is not required to exploit this vulnerability.

Отчет

The vulnerable package Exim is not shipped in any Red Hat products.

Ссылки на источники

Дополнительная информация

Статус:

Important
Дефект:
CWE-119
https://bugzilla.redhat.com/show_bug.cgi?id=2241528Exim: SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability

EPSS

Процентиль: 88%
0.04145
Низкий

8.1 High

CVSS3

Связанные уязвимости

CVSS3: 8.1
ubuntu
около 1 года назад

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-17515.

CVSS3: 8.1
nvd
около 1 года назад

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17515.

CVSS3: 8.1
debian
около 1 года назад

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution ...

CVSS3: 8.1
github
около 1 года назад

Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-17515.

CVSS3: 8.1
fstec
около 3 лет назад

Уязвимость реализации протокола SMTP почтового сервера Exim, позволяющая нарушителю выполнить произвольный код

EPSS

Процентиль: 88%
0.04145
Низкий

8.1 High

CVSS3