UBUNTU-CVE-2020-28019

Exim 4 before 4.94.2 has Improper Initialization that can lead to recursion-based stack consumption or other consequences. This occurs because use of certain getc functions is mishandled when a client uses BDAT instead of DATA...

UBUNTU-CVE-2020-28026

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification DSN. Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary...

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...

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 Exim in parsefixphrase, which stems from interpreting negative sizes in strncpy, and can be exploited by an attacker to elevate...

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 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 缓冲区错误漏洞

Opera Software Opera is a Norwegian web browser from Opera Software that supports multi-window browsing, customizable user interfaces, etc. 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 a...

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 within the receive add recipient function...

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...

Vulnerabilities fixed in Exim

Vulnerabilities have been fixed in Exim. Collectively, these vulnerabilities named "21nails." The vulnerabilities allow a malicious person to perform attacks that lead to the following categories of damage: Denial-of-Service DoS Remote code execution Administrator/Root rights Remote code executio...

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...

Exim 权限许可和访问控制问题漏洞

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 a privilege-permission and access-control issue vulnerability that stems from an insecure way in which the application uses a PID file. A local us...

Exim 权限许可和访问控制问题漏洞

Exim is an open source messaging agent MTA running on Unix systems that routes, forwards and delivers mail. Exim suffers from a privilege-granting and access-control issue vulnerability that stems from the application not properly applying security restrictions to a fake offline directory. An...

Exim: Multiple vulnerabilities

Background Exim is a message transfer agent MTA designed to be a a highly configurable, drop-in replacement for sendmail. Description Multiple vulnerabilities have been discovered in Exim. Please review the CVE identifiers referenced below for details. Impact A remote attacker, by connecting to t...

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. A heap out-of-bounds write vulnerability exists in main in Exim. No detailed vulnerability details are provided at this time...

Exim 安全漏洞

Exim is an open source messaging agent MTA running on Unix systems that routes, forwards and delivers mail. A security vulnerability exists in exim4 Debian package that stems from insufficient validation of user-supplied input in the spoolreadheader function. The following products and versions a...

Exim 缓冲区错误漏洞

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 a buffer error vulnerability that stems from an integer underflow in the smtp ungetc function. An attacker could exploit this vulnerability to...

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 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...