CVE-2020-7226 Information

Description

CiphertextHeader.java in Cryptacular 1.2.3 as used in Apereo CAS and other products allows attackers to trigger excessive memory allocation during a decode operation because the nonce array length associated with \new byte\ may depend on untrusted input within the header of encoded data.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/vt-middleware/cryptacular/blob/fafccd07ab1214e3588a35afe3c361519129605f/src/main/java/org/cryptacular/CiphertextHeader.javaL153 https://github.com/vt-middleware/cryptacular/blob/master/src/main/java/org/cryptacular/CiphertextHeader.javaL153 https://github.com/vt-middleware/cryptacular/issues/52 https://lists.apache.org/thread.html/r0847c7eb78c8f9e87d5b841fbd5da52b2ad4b4345e04b51c30621d88@3Ccommits.tomee.apache.org3E https://lists.apache.org/thread.html/r209de85beae4d257d27fc577e3a3e97039bdb4c2dc6f4a8e5a5a5811@3Ccommits.tomee.apache.org3E https://lists.apache.org/thread.html/r380781f5b489cb3c818536cd3b3757e806bfe0bca188591e0051ac03@3Ccommits.ws.apache.org3E https://lists.apache.org/thread.html/rc36b75cabb4d700b48035d15ad8b8c2712bb32123572a1bdaec2510a@3Cdev.ws.apache.org3E https://lists.apache.org/thread.html/re04e4f8f0d095387fb6b0ff9016a0af8c93f42e1de93b09298bfa547@3Ccommits.ws.apache.org3E https://lists.apache.org/thread.html/re7f46c4cc29a4616e0aa669c84a0eb34832e83a8eef05189e2e59b44@3Cdev.ws.apache.org3E https://lists.apache.org/thread.html/rfa4647c58e375996e62a9094bffff6dc350ec311ba955b430e738945@3Cdev.ws.apache.org3E

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5