SB2018060419 - Cryptographic issues in Bouncy Castle
Published: June 4, 2018 Updated: July 5, 2018
Security Bulletin ID
SB2018060419
CSH 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 vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2016-1000343)
CWE-ID: CWE-310 - Cryptographic Issues
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
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.
Remediation
Install update from vendor's website.