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...

DEBIAN-CVE-2020-28016

Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parsefixphrase...

DEBIAN-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...

DEBIAN-CVE-2020-28021

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file which indirectly leads to remote code execution as root via AUTH= in a MAIL FROM command...

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...

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...

Integer overflow

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...

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...

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-2020-28013

Exim 4 before 4.94.2 allows Heap-based Buffer Overflow because it mishandles "-F '.'" on the command line, and thus may allow privilege escalation from any user to root. This occurs because of the interpretation of negative sizes in strncpy...

[SECURITY] Fedora 34 Update: thunderbird-78.10.1-1.fc34

Mozilla Thunderbird is a standalone mail and newsgroup client...

Security update for alpine (moderate)

openSUSE Security Update: Security update for alpine Announcement ID: openSUSE-SU-2021:0675-1 Rating: moderate References: 1173281 Cross-References: CVE-2020-14929 CVSS scores: CVE-2020-14929 NVD : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2020-14929 SUSE: 7.5...

Raft of Exim Security Holes Allow Linux Mail Server Takeovers

A veritable cornucopia of security vulnerabilities in the Exim mail server have been uncovered, some of which could be chained together for unauthenticated remote code execution RCE, gaining root privileges and worm-style lateral movement, according to researchers. The Qualys Research Team has...

DEBIAN-CVE-2021-32055

Mutt 1.11.0 through 2.0.x before 2.0.7 and NeoMutt 2019-10-25 through 2021-05-04 has a $imapqresync issue in which imap/util.c has an out-of-bounds read in situations where an IMAP sequence set ends with a comma. NOTE: the $imapqresync setting for QRESYNC is not enabled by default...

ALERT — New 21Nails Exim Bugs Expose Millions of Email Servers to Hacking

The maintainers of Exim have released patches to remediate as many as 21 security vulnerabilities in its software that could enable unauthenticated attackers to achieve complete remote code execution and gain root privileges. Collectively named '21Nails,' the flaws include 11 vulnerabilities that...

PT-2021-4099 · Unknown +1 · Cyrus Imap +1

Name of the Vulnerable Software and Affected Versions: Cyrus IMAP versions 3.2.7 and earlier, 3.3.x, and 3.4.x before 3.4.1 Description: The issue allows remote authenticated users to bypass intended access restrictions on server annotations, which can cause replication to stall. This is related ...

Debian DSA-4912-1 : exim4 - security update

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 https://www.qualys.com/2021/05/04/21nails/21nails.txt %NASLMINLEVEL 70300 C Tenable...

Exim < 4.94.2 Multiple Vulnerabilities (21Nails)

According to its banner, the version of Exim running on the remote host is prior to 4.94.2. It is, therefore, potentially affected by multiple vulnerabilities that can lead to remote code execution. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. include'deprecatednasllevel.inc';...

Privilege Escalation

exim4 is vulnerable to privilege escalation. The vulnerability exists due to insufficient validation of user-supplied input when processing new line characters. A remote attacker can inject a new line character into the spool header file and modify the mail queue...