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GHSA-87mp-xc4x-x8rh: asymmetricrypt/asymmetricrypt Padding Oracle Vulnerability in RSA Encryption

The encryption and decryption process were vulnerable against the Bleichenbacher’s attack, which is a padding oracle vulnerability disclosed in the 98’. The issue was about the wrong padding utilized, which allowed to retrieve the encrypted content. The OPENSSL_PKCS1_PADDING version, aka PKCS v1.5 was vulnerable (is the one set by default when using openssl_* methods), while the PKCS v2.0 isn’t anymore (it’s also called OAEP).

A fix for this vulnerability was merged at https://github.com/Cosmicist/AsymmetriCrypt/pull/5/commits/a0318cfc5022f2a7715322dba3ff91d475ace7c6.

ghsa
#vulnerability#git#oracle#ssl

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. GHSA-87mp-xc4x-x8rh

asymmetricrypt/asymmetricrypt Padding Oracle Vulnerability in RSA Encryption

Moderate severity GitHub Reviewed Published May 15, 2024 to the GitHub Advisory Database

Package

composer asymmetricrypt/asymmetricrypt (Composer)

Affected versions

<= 0.3.0

Description

Published to the GitHub Advisory Database

May 15, 2024

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