[SECURITY] [DLA 3708-1] exim4 security update

2024-01-0522:08:00

lists.debian.org

cve-2023-51766

exim4

mail transport

security update

debian 10

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

5.4 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

68.4%

JSON

Debian LTS Advisory DLA-3708-1 [email protected]
https://www.debian.org/lts/security/ Markus Koschany
January 05, 2024 https://wiki.debian.org/LTS

Package : exim4
Version : 4.92-8+deb10u9
CVE ID : CVE-2023-51766
Debian Bug : 1059387

It was discovered that Exim, a mail transport agent, can be induced to accept a
second message embedded as part of the body of a first message in certain
configurations where PIPELINING or CHUNKING on incoming connections is offered.

For Debian 10 buster, this problem has been fixed in version
4.92-8+deb10u9.

We recommend that you upgrade your exim4 packages.

For the detailed security status of exim4 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/exim4

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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OSVersionArchitecturePackageVersionFilename
Debian12mipseleximon4-dbgsym< 4.96-15+deb12u4eximon4-dbgsym_4.96-15+deb12u4_mipsel.deb
Debian12s390xexim4-daemon-light-dbgsym< 4.96-15+deb12u4exim4-daemon-light-dbgsym_4.96-15+deb12u4_s390x.deb
Debian12mipseleximon4< 4.96-15+deb12u4eximon4_4.96-15+deb12u4_mipsel.deb
Debian11amd64exim4-daemon-heavy-dbgsym< 4.94.2-7+deb11u2exim4-daemon-heavy-dbgsym_4.94.2-7+deb11u2_amd64.deb
Debian10armhfexim4-daemon-heavy< 4.92-8+deb10u9exim4-daemon-heavy_4.92-8+deb10u9_armhf.deb
Debian11armelexim4-daemon-light-dbgsym< 4.94.2-7+deb11u2exim4-daemon-light-dbgsym_4.94.2-7+deb11u2_armel.deb
Debian11ppc64eleximon4< 4.94.2-7+deb11u2eximon4_4.94.2-7+deb11u2_ppc64el.deb
Debian11amd64exim4-base-dbgsym< 4.94.2-7+deb11u2exim4-base-dbgsym_4.94.2-7+deb11u2_amd64.deb
Debian11armelexim4-daemon-heavy< 4.94.2-7+deb11u2exim4-daemon-heavy_4.94.2-7+deb11u2_armel.deb
Debian10amd64exim4-daemon-light-dbgsym< 4.92-8+deb10u9exim4-daemon-light-dbgsym_4.92-8+deb10u9_amd64.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	mipsel	eximon4-dbgsym	< 4.96-15+deb12u4	eximon4-dbgsym_4.96-15+deb12u4_mipsel.deb
Debian	12	s390x	exim4-daemon-light-dbgsym	< 4.96-15+deb12u4	exim4-daemon-light-dbgsym_4.96-15+deb12u4_s390x.deb
Debian	12	mipsel	eximon4	< 4.96-15+deb12u4	eximon4_4.96-15+deb12u4_mipsel.deb
Debian	11	amd64	exim4-daemon-heavy-dbgsym	< 4.94.2-7+deb11u2	exim4-daemon-heavy-dbgsym_4.94.2-7+deb11u2_amd64.deb
Debian	10	armhf	exim4-daemon-heavy	< 4.92-8+deb10u9	exim4-daemon-heavy_4.92-8+deb10u9_armhf.deb
Debian	11	armel	exim4-daemon-light-dbgsym	< 4.94.2-7+deb11u2	exim4-daemon-light-dbgsym_4.94.2-7+deb11u2_armel.deb
Debian	11	ppc64el	eximon4	< 4.94.2-7+deb11u2	eximon4_4.94.2-7+deb11u2_ppc64el.deb
Debian	11	amd64	exim4-base-dbgsym	< 4.94.2-7+deb11u2	exim4-base-dbgsym_4.94.2-7+deb11u2_amd64.deb
Debian	11	armel	exim4-daemon-heavy	< 4.94.2-7+deb11u2	exim4-daemon-heavy_4.94.2-7+deb11u2_armel.deb
Debian	10	amd64	exim4-daemon-light-dbgsym	< 4.92-8+deb10u9	exim4-daemon-light-dbgsym_4.92-8+deb10u9_amd64.deb