Vulnerability identifier: #VU13591
Vulnerability risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-310
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
The Bouncy Castle Crypto Package For Java
Universal components / Libraries /
Libraries used by multiple products
Vendor: Legion of the Bouncy Castle Inc.
Description
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists in Bouncy Castle JCE Provider implementation of DSA key pair generator that generates a weak private key (1024 bit key size) if used with default values. The attacker can use this vulnerability to decrypt data.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
The Bouncy Castle Crypto Package For Java: 1.41 - 1.55
External links
http://github.com/bcgit/bc-java/commit/50a53068c094d6cff37659da33c9b4505becd389#diff-5578e61500abb2b87b300d3114bdfd7d
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.