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The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2012:0060 :
Updated openssl packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL
v2/v3) and Transport Layer Security (TLS v1) protocols, as well as a
full-strength, general purpose cryptography library.
It was discovered that the Datagram Transport Layer Security (DTLS)
protocol implementation in OpenSSL leaked timing information when
performing certain operations. A remote attacker could possibly use
this flaw to retrieve plain text from the encrypted packets by using a
DTLS server as a padding oracle. (CVE-2011-4108)
A double free flaw was discovered in the policy checking code in
OpenSSL. A remote attacker could use this flaw to crash an application
that uses OpenSSL by providing an X.509 certificate that has specially
crafted policy extension data. (CVE-2011-4109)
An information leak flaw was found in the SSL 3.0 protocol
implementation in OpenSSL. Incorrect initialization of SSL record
padding bytes could cause an SSL client or server to send a limited
amount of possibly sensitive data to its SSL peer via the encrypted
It was discovered that OpenSSL did not limit the number of TLS/SSL
handshake restarts required to support Server Gated Cryptography. A
remote attacker could use this flaw to make a TLS/SSL server using
OpenSSL consume an excessive amount of CPU by continuously restarting
the handshake. (CVE-2011-4619)
All OpenSSL users should upgrade to these updated packages, which
contain backported patches to resolve these issues. For the update to
take effect, all services linked to the OpenSSL library must be
restarted, or the system rebooted.
See also :
Update the affected openssl packages.
Risk factor :
High / CVSS Base Score : 9.3
CVSS Temporal Score : 8.1
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 68438 ()
Bugtraq ID: 5128151563
CVE ID: CVE-2011-4108CVE-2011-4109CVE-2011-4576CVE-2011-4619
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