Vulnerability CVE-2017-3730
Published: 2017-05-04

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
OpenSSL 1.1.0 Remote Client Denial Of Service
Guido Vranken
31.01.2017

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Oracle -> Agile engineering data management 
Oracle -> Communications application session controller 
Oracle -> Communications eagle lnp application processor 
Oracle -> Communications operations monitor 
Oracle -> Jd edwards enterpriseone tools 
Oracle -> Jd edwards world security 
Openssl -> Openssl 

 References:
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/95812
http://www.securitytracker.com/id/1037717
https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa
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.exploit-db.com/exploits/41192/
https://www.openssl.org/news/secadv/20170126.txt
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
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