This security bulletin contains one medium risk vulnerability.
The vulnerability allows a remote attacker to obtain sensitive information.
The vulnerability exists due to a timing based side channel exists in the OpenSSL RSA Decryption implementation. A remote attacker can perform a Bleichenbacher style attack and decrypt data sent over the network.
To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages for decryption. The vulnerability affects all RSA padding modes: PKCS#1 v1.5, RSA-OEAP and RSASVE.
Install update from vendor's website.Vulnerable software versions
Events Operator : before 4.8.0Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?