Description
In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
OpenSSL OpenSSL
openssl-1.1.0affectedopenssl-1.1.0aaffectedopenssl-1.1.0baffectedopenssl-1.1.0caffected
References
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html ↗
- https://www.exploit-db.com/exploits/41192/ ↗
- http://www.securityfocus.com/bid/95812 ↗
- https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa ↗
- https://www.openssl.org/news/secadv/20170126.txt ↗
- http://www.securitytracker.com/id/1037717 ↗
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html ↗
- https://security.gentoo.org/glsa/201702-07 ↗
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us ↗
- https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html ↗