Packages
- phpseclib - implementations of an arbitrary-precision integer arithmetic library
Details
It was discovered that phpseclib did not perform padding validation in
constant time when using AES in CBC mode. A remote attacker could possibly
use this issue to conduct a padding oracle timing attack and obtain
sensitive information.
It was discovered that phpseclib did not perform padding validation in
constant time when using AES in CBC mode. A remote attacker could possibly
use this issue to conduct a padding oracle timing attack and obtain
sensitive information.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 26.04 LTS resolute | php-seclib – 1.0.24-1ubuntu0.1~esm1 | ||
| 24.04 LTS noble | php-seclib – 1.0.23-1ubuntu0.1~esm1 | ||
| 22.04 LTS jammy | php-seclib – 1.0.20-1+deb12u3build0.22.04.1 | ||
| 20.04 LTS focal | php-seclib – 1.0.18-2ubuntu0.1~esm2 | ||
| 18.04 LTS bionic | php-seclib – 1.0.9-1ubuntu0.1~esm2 | ||
| 16.04 LTS xenial | php-seclib – 1.0.1-3ubuntu0.1+esm1 | ||
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