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Debian Bookworm DSA-5601-1 moderate: php-phpseclib3 prefix attack

debian
Calendar Grey January 12, 2024
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Uncover the insights from Debian Security Advisory DSA-5601-1, which addresses a concerning php-phpseclib3 flaw that affects the integrity of SSH communications.
Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH protocol is prone to a prefix truncation attack, known as the "Terrapin attack"

Summary

Details can be found at https://terrapin-attack.com/

For the stable distribution (bookworm), this problem has been fixed in
version 3.0.19-1+deb12u2.

We recommend that you upgrade your php-phpseclib3 packages.

For the detailed security status of php-phpseclib3 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/php-phpseclib3

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Package: php-phpseclib3
CVE ID: CVE-2023-48795

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