CentOS Update for openssl CESA-2014:1052 centos6

Published: 2014-08-14 03:54:57
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Versions:
openssl on CentOS 6

Technical Details:
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL), Transport Layer Security (TLS), and Datagram Transport Layer Security (DTLS) protocols, as well as a full-strength, general purpose cryptography library. A race condition was found in the way OpenSSL handled ServerHello messages with an included Supported EC Point Format extension. A malicious server could possibly use this flaw to cause a multi-threaded TLS/SSL client using OpenSSL to write into freed memory, causing the client to crash or execute arbitrary code. (CVE-2014-3509) It was discovered that the OBJ_obj2txt() function could fail to properly NUL-terminate its output. This could possibly cause an application using OpenSSL functions to format fields of X.509 certificates to disclose portions of its memory. (CVE-2014-3508) A flaw was found in the way OpenSSL handled fragmented handshake packets. A man-in-the-middle attacker could use this flaw to force a TLS/SSL server using OpenSSL to use TLS 1.0, even if both the client and the server supported newer protocol versions. (CVE-2014-3511) Multiple flaws were discovered in the way OpenSSL handled DTLS packets. A remote attacker could use these flaws to cause a DTLS server or client using OpenSSL to crash or use excessive amounts of memory. (CVE-2014-3505, CVE-2014-3506, CVE-2014-3507) A NULL pointer dereference flaw was found in the way OpenSSL performed a handshake when using the anonymous Diffie-Hellman (DH) key exchange. A malicious server could cause a DTLS client using OpenSSL to crash if that client had anonymous DH cipher suites enabled. (CVE-2014-3510) All OpenSSL users are advised to upgrade to these updated Linux Distribution Packages, which contain backported patches to correct these issues. For the update to take effect, all services linked to the OpenSSL library (such as httpd and other SSL-enabled services) must be restarted or the system rebooted.

Recommendations:
Please install the updated Linux Distribution Packages.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

Summary:
The remote host is missing an update for the 'openssl' Linux Distribution Package(s) announced via the referenced advisory.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2014-3505
https://nvd.nist.gov/vuln/detail/CVE-2014-3506
https://nvd.nist.gov/vuln/detail/CVE-2014-3507
https://nvd.nist.gov/vuln/detail/CVE-2014-3508
https://nvd.nist.gov/vuln/detail/CVE-2014-3509
https://nvd.nist.gov/vuln/detail/CVE-2014-3510
https://nvd.nist.gov/vuln/detail/CVE-2014-3511

References:

http://lists.centos.org/pipermail/centos-announce/2014-August/020488.html

Severity
Medium
CVSS Score
6.8
Published
2014-08-14
Modified
2019-03-15
Category
CentOS Local Security Checks

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