CVE-2014-0160
openssl: information disclosure in handling of TLS heartbeat extension packets
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · April 7, 2014
Updated · August 5, 2026
Description
An information disclosure flaw was found in the way OpenSSL handled TLS and DTLS Heartbeat Extension packets. A malicious TLS or DTLS client or server could send a specially crafted TLS or DTLS Heartbeat packet to disclose a limited portion of memory per request from a connected client or server. Note that the disclosed portions of memory could potentially include sensitive information such as private keys.
Statement
This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6.4 and earlier, Red Hat JBoss Enterprise Application Platform 5 and 6, and Red Hat JBoss Web Server 1 and 2. This issue does affect Red Hat Enterprise Linux 7 Beta, Red Hat Enterprise Linux 6.5, Red Hat Enterprise Virtualization Hypervisor 6.5, and Red Hat Storage 2.1, which provided openssl 1.0.1e. Errata have been released to correct this issue.
Additional information can be found in the Red Hat Knowledgebase article: https://access.redhat.com/site/announcements/781953
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-805 · Buffer Access with Incorrect Length Value