Test ID:	1.3.6.1.4.1.25623.1.1.12.2024.6611.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-6611-1)
Summary:	The remote host is missing an update for the 'exim4' package(s) announced via the USN-6611-1 advisory.
Description:	Summary: The remote host is missing an update for the 'exim4' package(s) announced via the USN-6611-1 advisory. Vulnerability Insight: It was discovered that Exim incorrectly handled certain requests. A remote attacker could possibly use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. Affected Software/OS: 'exim4' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04, Ubuntu 23.10. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2023-51766 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QPDWHJPABVJCXDSNELSSVTIVAJU2MDUQ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ORN7OKEQPPBKUHYRQ6LR5PSNBQVDHAWB/ https://bugs.exim.org/show_bug.cgi?id=3063 https://bugzilla.redhat.com/show_bug.cgi?id=2255852 https://exim.org/static/doc/security/CVE-2023-51766.txt https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html https://git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca https://git.exim.org/exim.git/commit/cf1376206284f2a4f11e32d931d4aade34c206c5 https://lwn.net/Articles/956533/ https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/ https://www.openwall.com/lists/oss-security/2023/12/23/2 https://www.youtube.com/watch?v=V8KPV96g1To https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html http://www.openwall.com/lists/oss-security/2023/12/24/1 http://www.openwall.com/lists/oss-security/2023/12/25/1 http://www.openwall.com/lists/oss-security/2023/12/29/2 http://www.openwall.com/lists/oss-security/2024/01/01/1 http://www.openwall.com/lists/oss-security/2024/01/01/2 http://www.openwall.com/lists/oss-security/2024/01/01/3
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