A flaw was found in the way GnuTLS parsed session IDs from ServerHello messages of the TLS/SSL handshake. A malicious server could use this flaw to send an excessively long session ID value, which would trigger a buffer overflow in a connecting TLS/SSL client application using GnuTLS, causing the client application to crash or, possibly, execute arbitrary code.
Find out more about CVE-2014-3466 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 6.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| 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 (gnutls) | RHSA-2014:0684 | 2014-06-10 |
| Red Hat Enterprise Linux 6 (gnutls) | RHSA-2014:0595 | 2014-06-03 |
| RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) | RHSA-2014:0815 | 2014-06-30 |
| Red Hat Enterprise Linux 5 (gnutls) | RHSA-2014:0594 | 2014-06-03 |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | mingw32-gnutls | Will not fix |
| Red Hat Enterprise Linux 4 | gnutls | Will not fix |
Vulmon