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Package "exim4-base"

Name: exim4-base

Description:

support files for all Exim MTA (v4) packages
Latest version: 4.93-13ubuntu1.12
Release: focal (20.04)
Level: security
Repository: main
Head package: exim4
Homepage: https://www.exim.org/

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Repository Area Version
base main 4.93-13ubuntu1
updates main 4.93-13ubuntu1.12

Changelog

Version: 4.93-13ubuntu1.12 2024-07-31 21:07:05 UTC

  exim4 (4.93-13ubuntu1.12) focal-security; urgency=medium

  * SECURITY UPDATE: Multiline header filename parsing issue
    - debian/patches/CVE-2024-39929-*.patch: Fix MIME parsing of filenames
      specified using multiple parameters.
    - CVE-2024-39929

 -- Fabian Toepfer <email address hidden> Tue, 30 Jul 2024 21:25:41 +0200
Source diff to previous version
CVE-2024-39929 Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protecti

Version: 4.93-13ubuntu1.11 2024-07-09 12:07:06 UTC

  exim4 (4.93-13ubuntu1.11) focal-security; urgency=medium

  * SECURITY UPDATE: response injection (buffering)
    - debian/patches/CVE-2021-38371.patch: Enforce STARTTLS sync point,
      client side
    - CVE-2021-38371

 -- Shishir Subedi <email address hidden> Thu, 27 Jun 2024 11:52:17 +0545
Source diff to previous version
CVE-2021-38371 The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.

Version: 4.93-13ubuntu1.10 2024-01-29 12:10:21 UTC

  exim4 (4.93-13ubuntu1.10) focal-security; urgency=medium

  * SECURITY UPDATE: SMTP smuggling
    - debian/patches/CVE-2023-51766-1.patch: Reject "dot, LF" as
      ending data phase in src/receive.c, src/smtp_in.c.
    - debian/patches/CVE-2023-51766-2.patch: use enum for body data
      input state-machine in src/receive.c.
    - debian/patches/CVE-2023-51766-3.patch: fix in src/receive.c.
    - CVE-2023-51766

 -- Leonidas Da Silva Barbosa <email address hidden> Thu, 11 Jan 2024 10:28:33 -0300
Source diff to previous version
CVE-2023-51766 Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. Remote attackers can use a published exploitation technique t

Version: 4.93-13ubuntu1.9 2023-10-27 00:07:27 UTC

  exim4 (4.93-13ubuntu1.9) focal-security; urgency=medium

  * SECURITY UPDATE: remote code execution
    - debian/patches/CVE-2023-42117.patch: fixed string_is_ip_address()
      in string.c
    - CVE-2023-42117
  * SECURITY UPDATE: information disclosure
    - debian/patches/CVE-2023-42119.patch: hardened dnsdb.c against
      crafted DNS responses.
    - CVE-2023-42119

 -- Allen Huang <email address hidden> Wed, 25 Oct 2023 01:39:47 +0100
Source diff to previous version
CVE-2023-42117 Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability
CVE-2023-42119 Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability

Version: 4.93-13ubuntu1.8 2023-10-04 15:11:47 UTC

  exim4 (4.93-13ubuntu1.8) focal-security; urgency=medium

  * SECURITY UPDATE: information disclosure
    - debian/patches/CVE-2023-42114.patch: fix possible OOB read in
      SPA authenticator
    - CVE-2023-42114
  * SECURITY UPDATE: remote code execution
    - debian/patches/CVE-2023-42115.patch: fix possible OOB write in
      external authenticator
    - CVE-2023-42115
  * SECURITY UPDATE: remote code execution
    - debian/patches/CVE-2023-42116.patch: fix possible OOB write in
      SPA authenticator
    - CVE-2023-42116
  * debian/patches/CVE-2023-42114_15_16.patch:
    - use uschar more in spa authenticator

 -- Allen Huang <email address hidden> Mon, 02 Oct 2023 17:21:29 +0100
CVE-2023-42114 Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2023-42115 Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2023-42116 Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability


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