SB2018033002 - Debian update for openssl
Published: March 30, 2018
Security Bulletin ID
SB2018033002
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Buffer overflow (CVE-ID: CVE-2017-3738)
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.The weakness exists due to buffer overflow in the AVX2 Montgomery multiplication procedure used in exponentiation with 1024-bit moduli. A remote attacker can cause the server to share the DH1024 private key among multiple clients and perform attack on TLS.
2) Resource exhaustion (CVE-ID: CVE-2018-0739)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to excessive stack memory consumption. A remote attacker can cause the service to crash.
Remediation
Install update from vendor's website.