CVE-2017-3730

high
Published 2017-05-04 ยท Modified 2026-05-13
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
8.5

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.

Predictions

Exploit likelihood
83%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-41192 dos multiple
Guido Vranken ยท 2017-01-26

OpenSSL 1.1.0 - Remote Client Denial of Service

Source code queued for fetch โ€” refresh in a moment.

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed1.1.0d-1
debian debianbullseyefixed1.1.0d-1
debian debianforkyfixed1.1.0d-1
debian debiansidfixed1.1.0d-1
debian debiantrixiefixed1.1.0d-1

Application impact

VendorProductVersionsFixed
openssl opensslopenssl1.1.0
openssl opensslopenssl1.1.0a
openssl opensslopenssl1.1.0b
openssl opensslopenssl1.1.0c
oracle oracleagile_engineering_data_management6.1.3
oracle oracleagile_engineering_data_management6.2.0
oracle oraclecommunications_application_session_controller3.7.1
oracle oraclecommunications_application_session_controller3.8.0
oracle oraclecommunications_eagle_lnp_application_processor10.0
oracle oraclecommunications_eagle_lnp_application_processor10.1
oracle oraclecommunications_eagle_lnp_application_processor10.2
oracle oraclecommunications_operations_monitor3.4
oracle oraclecommunications_operations_monitor4.0
oracle oraclejd_edwards_enterpriseone_tools9.2
oracle oraclejd_edwards_world_securitya9.1
oracle oraclejd_edwards_world_securitya9.2
oracle oraclejd_edwards_world_securitya9.3
oracle oraclejd_edwards_world_securitya9.4

References

CWEs

CWE-476

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.