Vulnerability Description
statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrary code via a crafted TLS session.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | 1.1.0a |
Related Weaknesses (CWE)
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.securityfocus.com/bid/93177
- http://www.securitytracker.com/id/1036885
- https://bto.bluecoat.com/security-advisory/sa132
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=acacbfa7565c78d2273c0b2a2e
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe
- https://www.openssl.org/news/secadv/20160926.txtVendor Advisory
- https://www.tenable.com/security/tns-2016-16
- https://www.tenable.com/security/tns-2016-20
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
FAQ
What is CVE-2016-6309?
CVE-2016-6309 is a vulnerability with a CVSS score of 9.8 (CRITICAL). statem/statem.c in OpenSSL 1.1.0a does not consider memory-block movement after a realloc call, which allows remote attackers to cause a denial of service (use-after-free) or possibly execute arbitrar...
How severe is CVE-2016-6309?
CVE-2016-6309 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2016-6309?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.