The dtls1_reassemble_fragment function in d1_both.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly validate fragment lengths in DTLS ClientHello messages, which allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via a long non-initial fragment.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2014-0195 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of openssl as shipped with Red Hat Enterprise Linux 5. This issue does not affect the version of openssl098e as shipped with Red Hat Enterprise Linux 6.
| Base Score | 5.8 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | None |
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 |
Vulmon