SB2018041705 - Information disclosure in OpenSSL
Published: April 17, 2018
Security Bulletin ID
SB2018041705
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Information disclosure (CVE-ID: CVE-2018-0737)
The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.The weakness exists in the RSA key generation algorithm's BN_mod_inverse() and BN_mod_exp_mont() functions due to a cache timing side channel attack. A local attacker can recover the private key.
Remediation
Install update from vendor's website.