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The remote Red Hat host is missing one or more security updates.
Updated openssl packages that fix two security issues are now
available for Red Hat Enterprise Linux 5.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
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 found that the OpenSSL library did not properly re-initialize
its internal state in the SSL_library_init() function after previous
calls to the CRYPTO_cleanup_all_ex_data() function, which would cause
a memory leak for each subsequent SSL connection. This flaw could
cause server applications that call those functions during reload,
such as a combination of the Apache HTTP Server, mod_ssl, PHP, and
cURL, to consume all available memory, resulting in a denial of
Dan Kaminsky found that browsers could accept certificates with MD2
hash signatures, even though MD2 is no longer considered a
cryptographically strong algorithm. This could make it easier for an
attacker to create a malicious certificate that would be treated as
trusted by a browser. OpenSSL now disables the use of the MD2
algorithm inside signatures by default. (CVE-2009-2409)
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, openssl-devel and / or openssl-perl
Risk factor :
Medium / CVSS Base Score : 5.1
CVSS Temporal Score : 4.4
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 44063 ()
Bugtraq ID: 31692
CVE ID: CVE-2009-2409CVE-2009-4355
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