SB2018060417 - Cryptographic issues in Bouncy Castle
Published: June 4, 2018 Updated: July 5, 2018
Security Bulletin ID
SB2018060417
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2016-1000341)
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists in Bouncy Castle JCE Provider implementation of DSA signature generation process. The attacker with ability to observe timings for the generation of signatures can gain information about the signature's k value and ultimately the private value as well.
Remediation
Install update from vendor's website.