CVE-2017-3730

HIGH
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

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

Details

Source: MITRE

Published: 2017-05-04

Updated: 2019-04-25

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
102698ESXi 6.0 < Build 5485776 Multiple Vulnerabilities (VMSA-2017-0015) (remote check)NessusMisc.
high
99930Oracle Secure Global Desktop Multiple Vulnerabilities (April 2017 CPU) (SWEET32)NessusMisc.
critical
97183GLSA-201702-07 : OpenSSL: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
9933OpenSSL 1.1.0 < 1.1.0d Multiple VulnerabilitiesNessus Network MonitorWeb Servers
high
96874OpenSSL 1.1.0 < 1.1.0d Multiple VulnerabilitiesNessusWeb Servers
medium
96821FreeBSD : OpenSSL -- multiple vulnerabilities (d455708a-e3d3-11e6-9940-b499baebfeaf)NessusFreeBSD Local Security Checks
high