SB2016092235 - Denial of service in openssl (Alpine package)
Published: September 22, 2016
Security Bulletin ID
SB2016092235
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Denial of service (CVE-ID: CVE-2016-6305)
CWE-ID: CWE-120 - Buffer overflow
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated user to cause DoS conditions on the vulnerable system.
The weakness is due to flaw in handling of SSL/TLS protocol during a call to SSL_peek(). By sending an empty record attackers can trigger the affected service hang or deny.
Successful exploitation of the vulnerability will result in denial of service on the vulnerable system.
Remediation
Install update from vendor's website.