UBUNTU-CVE-2020-28024

Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtpungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF...

UBUNTU-CVE-2020-28009

Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because getstdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow multiple days...

CVE-2020-28023

Exim 4 before 4.94.2 allows Out-of-bounds Read. smtpsetupmsg may disclose sensitive information from process memory to an unauthenticated SMTP client...

UBUNTU-CVE-2020-28010

Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function, while setuid root, copies the current working directory pathname into a buffer that is too small on some common platforms...

UBUNTU-CVE-2020-28022

Exim 4 before 4.94.2 has Improper Restriction of Write Operations within the Bounds of a Memory Buffer. This occurs when processing name=value pairs within MAIL FROM and RCPT TO commands...

UBUNTU-CVE-2020-28017

Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow in receiveaddrecipient via an e-mail message with fifty million recipients. NOTE: remote exploitation may be difficult because of resource consumption...

UBUNTU-CVE-2020-28020

Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction...

CVE-2021-27216

Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a deletepidfile race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options...

PT-2021-3129

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.94.2 Description The issue is related to a buffer overflow in the parse fix phrase function of the Exim message transfer agent, which can be exploited to gain privileges in the system and execute arbitrary code. The...

Exim 安全漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. A security vulnerability exists in Exim. The vulnerability stems from the fact that recipient addresses can have newline characters, which can be exploited by a local attacker to...

Ubuntu 18.04 LTS / 20.04 LTS : Exim vulnerabilities (USN-4934-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4934-1 advisory. It was discovered that Exim contained multiple security issues. An attacker could use these issues to cause a denial of service, execute...

Exim 缓冲区错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. Exim suffers from an out-of-bounds read vulnerability that stems from pdkimfinishbodyhash not validating the relationship between sig-bodyhash.len and b-bh.len, which can be...

Exim 安全漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. Exim has a security vulnerability. An attacker can exploit the vulnerability by authenticating a remote SMTP client to insert line breaks into a fake offline file via AUTH= in th...

PT-2021-3130

Name of the Vulnerable Software and Affected Versions Exim 4 versions prior to 4.94.2 Description The issue is related to a Use After Free condition in the smtp reset function under certain situations, particularly for builds that include OpenSSL. This could potentially allow an attacker to eleva...

Exim 输入验证错误漏洞

Exim is an open source messaging agent MTA that runs on Unix systems and is responsible for routing, forwarding, and delivering mail. Exim suffers from an input validation error vulnerability that stems from an integer overflow in the receive msg function. A remote attacker could use this...

Exim 缓冲区错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. A heap buffer overflow vulnerability exists in queuerun in Exim, which can be exploited by an attacker to elevate privileges from exim to root via the two sender options -R and -...

Exim 缓冲区错误漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. Exim suffers from a buffer overflow vulnerability. The vulnerability stems from a "-F" handling error in parsefixphrase. No details of the vulnerability are available at this tim...

Exim 资源管理错误漏洞

Exim is an open source messaging agent MTA running on Unix systems that routes, forwards and delivers mail. Exim suffers from a Resource Management Error vulnerability that stems from improper resource management within the application. An attacker could exploit this vulnerability to cause a deni...

Exim 权限许可和访问控制问题漏洞

Exim was developed at Cambridge University as a Message Transfer Agent MTA for Unix systems connected to the Internet. Exim suffers from an arbitrary file deletion vulnerability that can be exploited by a local attacker to delete arbitrary files as root via the deletepidfile contention condition...

Exim 后置链接漏洞

Exim is an open source messaging agent MTA running on Unix systems that routes, forwards and delivers mail. Exim suffers from a security vulnerability that exists as a result of the following issue with symbolic links in the Exim log directory. An attacker can exploit the vulnerability to overwri...