CVE-2016-6309

25Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 70%

exploitation probability

70%top 1% of all CVEs

observed exploitation

nono source reports it

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.

Affected products

n/a · n/a

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 https://bto.bluecoat.com/security-advisory/sa132 https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=acacbfa7565c78d2273c0b2a2e5e803f44afefeb https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us https://www.openssl.org/news/secadv/20160926.txt https://www.tenable.com/security/tns-2016-16 https://www.tenable.com/security/tns-2016-20 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