Exim 4 prior to 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.
The Qualys Research Labs reported several vulnerabilities in Exim, a
mail transport agent, which could result in local privilege escalation
and remote code execution
Details can be found in the Qualys advisory at
wwwqualyscom/2021/05/04/21nails/21nailstxt
For the stable distribution (buster), these problems have been fixed in
version 4 ...
Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem (CVE-2020-28007)
Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim oper ...
Dear Exim-Users
Abstract
--------
Several exploitable vulnerabilities in Exim were reported to us and are
fixed
We have prepared a security release, tagged as "exim-4942"
This release contains all changes on the exim-494+fixes branch plus
security fixes
You should update your Exim instances as soon as possible (See below
for short upgra ...
Qualys Security Advisory
21Nails: Multiple vulnerabilities in Exim
========================================================================
Contents
========================================================================
Summary
Local vulnerabilities
- CVE-2020-28007: Link attack in Exim's log directory
- CVE-2020-28008: Assorted attacks in Ex ...