SB2018090804 - Information disclosure in RSA BSAFE Crypto-J
Published: September 8, 2018
Security Bulletin ID
SB2018090804
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) Covert timing attack (CVE-ID: CVE-2018-11070)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a network attacker to obtain potentially sensitive information.
The vulnerability exists due to covert time attack. A remote attacker can conduct a Bleichenbacher covert timing attack on PKCS #1 unpadding operations and obtain the RSA private key.
Remediation
Install update from vendor's website.