PT-2021-6559 · Pear · Pear Php Classes Library

Published 2021-07-30 · Updated 2021-07-30

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions PEAR PHP classes library (affected versions not specified)

Description The issue is related to the implementation of the mt rand() and time() functions in the pearweb package of the PEAR PHP classes library. It involves the use of the MD5 encryption algorithm, which is considered insufficiently secure. Exploitation of this issue could allow an attacker to gain unauthorized access to protected information or execute arbitrary code.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-200

CWE-327

Related Identifiers

BDU:2022-01824

Affected Products

Pear Php Classes Library

References · 7

• https://bdu.fstec.ru/vul/2022-01824 · Security Note
• https://github.com/pear/pearweb/commit/69f9531c2aca8866303b8b9efdd72365b6996f81 · Note
• https://github.com/pear/pearweb/commit/09760456120f12488890d430ba183461d937b440 · Note
• https://github.com/pear/pearweb/commit/f3333c2bd8cbe01a7a64772a6160601bca21ad84 · Note
• https://blog.sonarsource.com/php-supply-chain-attack-on-pear · Note
• https://pear.php.net/package/pearweb/download · Note
• https://xakep.ru/2022/04/04/pear-php-bugs · Note