The ssl3_send_client_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h, when an anonymous ECDH cipher suite is used, allows remote attackers to cause a denial of service (NULL pointer dereference and client crash) by triggering a NULL certificate value.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-3470 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of openssl and openssl097a as shipped with Red Hat Enterprise Linux 5. This issue does not affect the openssl098e as shipped with Red Hat Enterprise Linux 6.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 7 (openssl) | RHSA-2014:0679 | 2014-06-10 |
| Red Hat Enterprise Linux 6 (openssl) | RHSA-2014:0625 | 2014-06-05 |
| Red Hat Storage Server 2.1 (openssl) | RHSA-2014:0628 | 2014-06-05 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss EWS 2 | openssl | Not affected |
| Red Hat JBoss EWS 1 | openssl | Not affected |
| Red Hat JBoss EAP 6 | openssl | Not affected |
| Red Hat JBoss EAP 5 | openssl | Not affected |
| Red Hat Enterprise Linux 7 | openssl098e | Not affected |
| Red Hat Enterprise Linux 6 | guest-images | Not affected |
| Red Hat Enterprise Linux 6 | openssl098e | Not affected |
| Red Hat Enterprise Linux 5 | openssl | Not affected |
| Red Hat Enterprise Linux 5 | openssl097a | Not affected |
| RHEV Manager 3 | rhev-hypervisor | Not affected |
| RHEV Manager 3 | mingw-virt-viewer | Not affected |
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