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-2020-28009

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...

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...

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-2020-28014

Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. The -oP option is available to the exim user, and allows a denial of service because root-owned files can be overwritten...

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...

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. 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

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

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...

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 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...

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

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 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 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...