Remote Code Execution (RCE)

libspf2 is vulnerable to Remote Code Execution RCE. The vulnerability could allow an attacker to execute arbitrary code on the Exim server, potentially allowing them to take control of the system or steal sensitive data...

Stack-based Overflow

exim is vulnerable to Stack-based Overflow. The vulnerability arises from the absence of proper validation of user-supplied data length before copying it into a fixed-length stack-based buffer during the handling of NTLM challenge requests in the SMTP challenge component. This allows an attacker ...

Remote Code Execution (RCE)

exim is vulnerable to Remote Code Execution RCE. The vulnerability arises from the absence of proper validation for user-supplied data in the SMTP service. This could result in a buffer overflow, enabling an attacker to inject and execute malicious code within the service account's context...

Information Disclosure

exim is vulnerable to Information Disclosure. The vulnerability exists due to the absence of validation for user-supplied data during the handling of NTLM challenge requests. This allows an attacker to read beyond allocated data structures, potentially leading to the disclosure of information...

Critical and high severity Exim vulnerabilities: everything you need to know

Detect and mitigate CVE-2023-42115, and 5 more vulnerabilities in Exim. Organizations using affected configurations should mitigate and patch the vulnerabilities urgently...

Vulnerabilities fixed in Exim

Exim has fixed vulnerabilities in Exim MTA. The vulnerabilities allow a malicious party to perform attacks that lead to the following categories of damage: Remote code execution Administrator/Root privileges. Access to system/data data Exim has released updates to fix the vulnerabilities in Exim...

CVE-2023-42119

An out-of-bounds read flaw was found in Exim which exists within the smtp service. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer, leading to disclosure of some sensitive information. An attacker can...

CVE-2023-42114

An out-of-bounds read vulnerability was found in Exim within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to...

CVE-2023-42115

An out-of-bounds write flaw exists in Exim within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute cod...

CVE-2023-42116

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...

CVE-2023-42117

The vulnerability was found in Exim within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the...

New Critical Security Flaws Expose Exim Mail Servers to Remote Attacks

Multiple security vulnerabilities have been disclosed in the Exim mail transfer agent that, if successfully exploited, could result in information disclosure and remote code execution. The list of flaws, which were reported anonymously way back in June 2022, is as follows - CVE-2023-42114 CVSS...

SUSE CVE-2023-42115

Exim AUTH Out-Of-Bounds Write 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 smtp service, which listens ...

SUSE CVE-2023-42114

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling o...

SUSE CVE-2023-42119

Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp...

SUSE CVE-2023-42116

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 o...

SUSE CVE-2023-42118

Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing o...

SUSE CVE-2023-42117

Exim Improper Neutralization of Special Elements 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 smtp...

Exim <= 4.96.2 libspf2 RCE Vulnerability (Sep 2023)

Exim is prone to a remote code execution RCE vulnerability in the used libspf2 library. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Exim < 4.96.1 Multiple Vulnerabilities (Sep 2023)

Exim is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:exim:exim"; if description...