|Number of vulnerabilities||1|
|Public exploit||Public exploit code for vulnerability #1 is available.|
The Bouncy Castle Crypto Package For Java
Universal components / Libraries / Libraries used by multiple products
|Vendor||Legion of the Bouncy Castle Inc.|
This security bulletin contains one high risk vulnerability.
The vulnerability allows a remote attacker to brute-force password hashes.
The vulnerability exists due to comparison error in OpenBSDBCrypt.checkPassword() function in core/src/main/java/org/bouncycastle/crypto/generators/OpenBSDBCrypt.java when matching passwords with hashes. A remote attacker can pass an incorrect password that will be accepted as a valid one by the library, bypass authentication process and gain unauthorized access to the application that uses vulnerable version of Bouncy Castle.Mitigation
Install updates from vendor's website.Vulnerable software versions
The Bouncy Castle Crypto Package For Java: 1.65 - 1.66Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?