SB2016102808 - Information disclosure in Randombit Botan
Published: October 28, 2016 Updated: August 9, 2020
Security Bulletin ID
SB2016102808
Severity
Medium
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) Information disclosure (CVE-ID: CVE-2016-8871)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a detectable timing channel which could given sufficient queries be used to recover plaintext, aka an "OAEP side channel" attack.
Remediation
Install update from vendor's website.