CVE-2017-3730

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.

Weakness classification

• CWE-476: NULL Pointer Dereference

Primary references

• openssl-security@openssl.org — Patch
• openssl-security@openssl.org — Patch
• openssl-security@openssl.org — Broken Link, Third Party Advisory, VDB Entry
• openssl-security@openssl.org — Third Party Advisory, VDB Entry
• openssl-security@openssl.org — Patch, Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Exploit, Third Party Advisory, VDB Entry
• openssl-security@openssl.org — Patch, Vendor Advisory
• openssl-security@openssl.org — Patch
• af854a3a-2127-422b-91ae-364da2661108 — Patch
• af854a3a-2127-422b-91ae-364da2661108 — Patch