[SECURITY] [DLA 3198-1] php-phpseclib security update
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Debian LTS Advisory DLA-3198-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Sylvain Beucler
November 17, 2022 https://wiki.debian.org/LTS
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Package : php-phpseclib
Version : 2.0.30-2~deb10u1
CVE ID : CVE-2021-30130
It was discovered that php-phpseclib, a pure-PHP implementation of
various cryptographic and arithmetic algorithms (v2), mishandles RSA
PKCS#1 v1.5 signature verification. An attacker may get invalid
signatures accepted, bypassing authorization control in specific
situations.
For Debian 10 buster, this problem has been fixed in version
2.0.30-2~deb10u1.
We recommend that you upgrade your php-phpseclib packages.
For the detailed security status of php-phpseclib please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/php-phpseclib
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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