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exim email server | Breaking Cybersecurity News | The Hacker News

New Critical Security Flaws Expose Exim Mail Servers to Remote Attacks

New Critical Security Flaws Expose Exim Mail Servers to Remote Attacks

Sep 30, 2023 Email Security / Hacking News
Multiple security vulnerabilities have been disclosed in the  Exim mail transfer agent  that, if successfully exploited, could result in information disclosure and remote code execution. The list of flaws, which were reported anonymously way back in June 2022, is as follows - CVE-2023-42114  (CVSS score: 3.7) - Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability CVE-2023-42115  (CVSS score: 9.8) - Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability CVE-2023-42116  (CVSS score: 8.1) - Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability CVE-2023-42117  (CVSS score: 8.1) - Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability CVE-2023-42118  (CVSS score: 7.5) - Exim libspf2 Integer Underflow Remote Code Execution Vulnerability CVE-2023-42119  (CVSS score: 3.1) - Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability The most severe of the vulnerabilities is CVE-2023-
New Critical Exim Flaw Exposes Email Servers to Remote Attacks — Patch Released

New Critical Exim Flaw Exposes Email Servers to Remote Attacks — Patch Released

Sep 30, 2019
A critical security vulnerability has been discovered and fixed in the popular open-source Exim email server software, which could allow a remote attacker to simply crash or potentially execute malicious code on targeted servers. Exim maintainers today released an urgent security update— Exim version 4.92.3 —after publishing an early warning two days ago, giving system administrators an early head-up on its upcoming security patches that affect all versions of the email server software from 4.92 up to and including then-latest version 4.92.2. Exim is a widely used, open source mail transfer agent (MTA) developed for Unix-like operating systems like Linux, Mac OSX or Solaris, which runs almost 60 percent of the Internet's email servers today for routing, delivering and receiving email messages. This is the second time in this month when the Exim maintainers have released an urgent security update. Earlier this month, the team patched a critical remote code execution flaw (
How Nation-State Actors Target Your Business: New Research Exposes Major SaaS Vulnerabilities

How Nation-State Actors Target Your Business: New Research Exposes Major SaaS Vulnerabilities

Feb 15, 2024SaaS Security / Risk Management
With many of the highly publicized 2023 cyber attacks revolving around one or more SaaS applications, SaaS has become a cause for genuine concern in many boardroom discussions. More so than ever, considering that GenAI applications are, in fact, SaaS applications. Wing Security (Wing), a SaaS security company, conducted an analysis of 493 SaaS-using companies in Q4 of 2023.  Their study reveals  how companies use SaaS today, and the wide variety of threats that result from that usage. This unique analysis provides rare and important insights into the breadth and depth of SaaS-related risks, but also provides practical tips to mitigate them and ensure SaaS can be widely used without compromising security posture.  The TL;DR Version Of SaaS Security 2023 brought some now infamous examples of malicious players leveraging or directly targeting SaaS, including the North Korean group UNC4899, 0ktapus ransomware group, and Russian Midnight Blizzard APT, which targeted well-known organizat
Exim TLS Flaw Opens Email Servers to Remote 'Root' Code Execution Attacks

Exim TLS Flaw Opens Email Servers to Remote 'Root' Code Execution Attacks

Sep 06, 2019
A critical remote code execution vulnerability has been discovered in the popular open-source Exim email server software, leaving at least over half a million email servers vulnerable to remote hackers. Exim maintainers today released Exim version 4.92.2 after publishing an early warning two days ago, giving system administrators a heads-up on its upcoming security patches that affect all versions of the email server software up to and including then-latest 4.92.1. Exim is a widely used, open source mail transfer agent (MTA) software developed for Unix-like operating systems such as Linux, Mac OSX or Solaris, which runs almost 60% of the internet's email servers today for routing, delivering and receiving email messages. Tracked as CVE-2019-15846 , the security vulnerability only affects Exim servers that accept TLS connections, potentially allowing attackers to gain root-level access to the system "by sending an SNI ending in a backslash-null sequence during the ini
cyber security

The Critical State of AI in the Cloud

websiteWiz.ioArtificial Intelligence / Cloud Security
Wiz Research reveals the explosive growth of AI adoption and what 150,000+ cloud accounts revealed about the AI surge.
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