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Alerts This Week
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Gentoo: GLSA-202402-18 High: Exim Multiple Risks for Remote Code Execution

gentoo
Calendar Grey February 18, 2024
Dist Gentoo Esm H88
The Exim mail transport agent on Gentoo Linux has severe security flaws that could potentially lead to unauthorized remote execution. Urgent action for updates is strongly advised.
Multiple vulnerabilities have been discovered in Exim, the worst of which can lead to remote code execution.

Summary

Multiple vulnerabilities have been discovered in Exim. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity gentoo software update exim remote execution multiple vulnerabilities

Resolution

All Exim users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.97.1"

References

[ 1 ] CVE-2023-42114 https://nvd.nist.gov/vuln/detail/CVE-2023-42114 [ 2 ] CVE-2023-42115 https://nvd.nist.gov/vuln/detail/CVE-2023-42115 [ 3 ] CVE-2023-42116 https://nvd.nist.gov/vuln/detail/CVE-2023-42116 [ 4 ] CVE-2023-42117 https://nvd.nist.gov/vuln/detail/CVE-2023-42117 [ 5 ] CVE-2023-42119 https://nvd.nist.gov/vuln/detail/CVE-2023-42119 [ 6 ] CVE-2023-51766 https://nvd.nist.gov/vuln/detail/CVE-2023-51766 [ 7 ] ZDI-CAN-17433 [ 8 ] ZDI-CAN-17434 [ 9 ] ZDI-CAN-17515 [ 10 ] ZDI-CAN-17554 [ 11 ] ZDI-CAN-17643

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202402-18
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: Exim: Multiple Vulnerabilities
Date: February 18, 2024
Bugs: #914923, #921520
ID: 202402-18

Topics%20covered

Topics Covered

security advisory high severity gentoo software update exim remote execution multiple vulnerabilities

Synopsis

Multiple vulnerabilities have been discovered in Exim, the worst of which can lead to remote code execution.

Background

Exim is a message transfer agent (MTA) designed to be a a highly configurable, drop-in replacement for sendmail.

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Affected Packages

Package Vulnerable Unaffected ------------- ------------ ------------ mail-mta/exim < 4.97.1 >= 4.97.1

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

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