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prionPRIOn knowledge basePRION:CVE-2019-1563
HistorySep 10, 2019 - 5:15 p.m.

Code injection

2019-09-1017:15:00
PRIOn knowledge base
www.prio-n.com
21

4.8 Medium

AI Score

Confidence

High

0.015 Low

EPSS

Percentile

87.1%

In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k). Fixed in OpenSSL 1.0.2t (Affected 1.0.2-1.0.2s).

References