CVE-2023-42119

Upstream information

CVE-2023-42119 at MITRE

Description

Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account.
. Was ZDI-CAN-17643.

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Upstream Security Advisories:

• https://www.zerodayinitiative.com/advisories/ZDI-23-1473/

SUSE information

Overall state of this security issue: Resolved

This issue is currently not rated by SUSE as it is not affecting the SUSE Enterprise products.

CVSS v3 Scores

	CNA (ZDI)
Base Score	3.1
Vector	CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector	Adjacent Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	Low
Integrity Impact	None
Availability Impact	None
CVSSv3 Version	3

SUSE Bugzilla entry: 1215789 [RESOLVED / FIXED]

SUSE Security Advisories:

• openSUSE-SU-2023:0303-1, published Wed Oct 18 18:52:01 2023
• openSUSE-SU-2023:0304-1, published Wed Oct 18 18:52:01 2023
• openSUSE-SU-2024:0007-1, published Thu Jan 4 04:52:00 2024

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Package Hub 15 SP4	exim >= 4.94.2-bp154.2.9.1 eximon >= 4.94.2-bp154.2.9.1 eximstats-html >= 4.94.2-bp154.2.9.1	Patchnames: openSUSE-2023-304
SUSE Package Hub 15 SP5	exim >= 4.97.1-bp155.5.9.1 eximon >= 4.97.1-bp155.5.9.1 eximstats-html >= 4.97.1-bp155.5.9.1	Patchnames: openSUSE-2023-303 openSUSE-2024-7
openSUSE Leap 15.4	exim >= 4.94.2-bp154.2.9.1 eximon >= 4.94.2-bp154.2.9.1 eximstats-html >= 4.94.2-bp154.2.9.1	Patchnames: openSUSE-2023-304
openSUSE Leap 15.5	exim >= 4.97.1-bp155.5.9.1 eximon >= 4.97.1-bp155.5.9.1 eximstats-html >= 4.97.1-bp155.5.9.1	Patchnames: openSUSE-2023-303 openSUSE-2024-7
openSUSE Tumbleweed	exim >= 4.96.2-1.1 eximon >= 4.96.2-1.1 eximstats-html >= 4.96.2-1.1	Patchnames: openSUSE-Tumbleweed-2024-13333

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SUSE Timeline for this CVE

CVE page created: Thu Sep 28 02:00:21 2023
CVE page last modified: Fri Sep 20 18:49:30 2024