Public Date:
1049058: CVE-2013-4353 openssl: client NULL dereference crash on malformed handshake packets

The MITRE CVE dictionary describes this issue as:

The ssl3_take_mac function in ssl/s3_both.c in OpenSSL 1.0.1 before 1.0.1f allows remote TLS servers to cause a denial of service (NULL pointer dereference and application crash) via a crafted Next Protocol Negotiation record in a TLS handshake.

Find out more about CVE-2013-4353 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 5 and earlier.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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).

Red Hat Security Errata

Platform Errata Release Date
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2014:0041 2014-01-21
RHEV-M for Servers (spice-client-msi) RHSA-2014:0416 2014-04-17
Red Hat Enterprise Linux version 6 (openssl) RHSA-2014:0015 2014-01-08

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 openssl098e Not affected
Red Hat Enterprise Linux 7 openssl098e Not affected
Red Hat Enterprise Linux 5 openssl097a Not affected
Red Hat Enterprise Linux 7 openssl Not affected
Red Hat Enterprise Linux 5 openssl Not affected