CVE-2020-7226

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Summary:

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.

Reference Links(if available):

  • https://github.com/vt-middleware/cryptacular/blob/master/src/main/java/org/cryptacular/CiphertextHeader.java#L153
  • https://github.com/vt-middleware/cryptacular/issues/52
  • https://lists.apache.org/thread.html/[email protected]%3Cdev.ws.apache.org%3E
  • https://lists.apache.org/thread.html/[email protected]%3Ccommits.ws.apache.org%3E
  • https://lists.apache.org/thread.html/[email protected]%3Cdev.ws.apache.org%3E
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

    Links to Exploits(if available)