#VU814 Out-of-bounds read in OpenSSL - CVE-2016-6302
Published: October 10, 2016 / Updated: October 6, 2022
Vulnerability identifier: #VU814
Vulnerability risk: Medium
CVSSv4.0: 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:Green
CVE-ID: CVE-2016-6302
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSSL
OpenSSL
Software vendor:
OpenSSL Software Foundation
OpenSSL Software Foundation
Description
The vulnerability allows a remote attacker to denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when handling SHA512 TLS session tickets. A remote attacker can send specially crafted packets to the system, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://www.openssl.org/news/secadv/20160922.txt
- http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html