Ubuntu Security Notice (C) 2006-2013 Canonical, Inc. / NASL script (C) 2007-2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related patches.
Dr. Henson of the OpenSSL core team and Open Network Security
discovered a mishandled error condition in the ASN.1 parser. By
sending specially crafted packet data, a remote attacker could exploit
this to trigger an infinite loop, which would render the service
unusable and consume all available system memory. (CVE-2006-2937)
Certain types of public key could take disproportionate amounts of
time to process. The library now limits the maximum key exponent size
to avoid Denial of Service attacks. (CVE-2006-2940)
Tavis Ormandy and Will Drewry of the Google Security Team discovered a
buffer overflow in the SSL_get_shared_ciphers() function. By sending
specially crafted packets to applications that use this function (like
Exim, MySQL, or the openssl command line tool), a remote attacker
could exploit this to execute arbitrary code with the server's
Tavis Ormandy and Will Drewry of the Google Security Team reported
that the get_server_hello() function did not sufficiently check the
client's session certificate. This could be exploited to crash clients
by remote attackers sending specially crafted SSL responses.
Update the affected packages.
Risk factor :
Critical / CVSS Base Score : 10.0
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 27933 ()
CVE ID: CVE-2006-2937CVE-2006-2940CVE-2006-3738CVE-2006-4343CVE-2007-5135
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