CVE-2017-3730 EXPLOIT
7.5
HIGH · CVSS 3.0 · EPSS 55.3% (pctl 99)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| EPSS | 55.29% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-476 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-05-04 |
| Last modified | 2026-06-17 |
Affected (7)
| Vendor | Product |
|---|---|
| openssl | openssl |
| 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 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | OpenSSL 1.1.0 - Remote Client Denial of Service | 2017-01-26 |
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
- 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
→ the Explorer · watch your stack · NVD