CentOS 8 : dovecot (CESA-2021:1887)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1887 advisory. - dovecot: IMAP hibernation function allows mail access CVE-2020-24386 - dovecot: Denial of service via mail MIME parsing CVE-2020-25275 Note that Ness...

RHEL 8 : dovecot (RHSA-2021:1887)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1887 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3...

RHEL 8 : opensc (RHSA-2021:1600)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:1600 advisory. The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic...

dovecot: Denial of service via mail MIME parsing

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts...

RLSA-2021:1751 Moderate: mailman:2.1 security update

Mailman is a program used to help manage e-mail discussion lists. Security Fixes: mailman: arbitrary content injection via the options login page CVE-2020-12108 mailman: arbitrary content injection via the private archive login page CVE-2020-15011 For more details about the security issues,...

Moderate: opensc security, bug fix, and enhancement update

The OpenSC set of libraries and utilities provides support for working with smart cards. OpenSC focuses on cards that support cryptographic operations and enables their use for authentication, mail encryption, or digital signatures. Security Fixes: opensc: heap-based buffer overflow in...

openSUSE Security Update : alpine (openSUSE-2021-675)

This update for alpine fixes the following issues : Update to release 2.24 - A few crash fixes - Implementation of XOAUTH2 for Yahoo! Mail. Update to release 2.23.2 - Expansion of the configuration screen for XOAUTH2 to include username, and tenant. - Alpine uses the domain in the From: header of...

Authorization Bypass

redmine is vulnerable to authorization bypass. The vulnerability exists as it is possible to bypass the addissuenotes permission requirement by leveraging the incoming mail handler...

[SECURITY] Fedora 33 Update: thunderbird-78.10.1-1.fc33

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

UBUNTU-CVE-2021-32056

Cyrus IMAP before 3.2.7, and 3.3.x and 3.4.x before 3.4.1, allows remote authenticated users to bypass intended access restrictions on server annotations and consequently cause replication to stall...

A week in security (May 3 – 9)

Last week on Malwarebytes Labs, we discussed how Spectre attacks have come back from the dead; why Facebook banned Instragram ads by Signal; we highlighted the differences between the most popular VPN protocols; pointed out that Google is about to start automatically enrolling users in two-step...

Cyrus IMAP 安全漏洞

Cyrus IMAP is an open source mail server for the IMAP Interactive Mail Access Protocol protocol based on Unix and Linux operating systems. A security vulnerability exists in Cyrus IMAP. The vulnerability allows a remotely authenticated user to bypass the intended access restrictions of the server...

Security update for alpine (moderate)

openSUSE Security Update: Security update for alpine Announcement ID: openSUSE-SU-2021:0695-1 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...

DEBIAN-CVE-2020-28025

Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkimfinishbodyhash does not validate the relationship between sig-bodyhash.len and b-bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory...

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...

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-2020-28016

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

DEBIAN-CVE-2020-28021

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...