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The remote web server has multiple SSL-related vulnerabilities.
According to its banner, the remote web server is running a version
of OpenSSL older than 0.9.8s. Such versions have the following
- An error exists related to ECDSA signatures and binary
curves. The implementation of curves over binary fields
could allow a remote, unauthenticated attacker to
determine private key material via timing attacks.
- The Datagram Transport Layer Security (DTLS)
implementation is vulnerable to plaintext recovery
attacks when decrypting in CBC mode. (CVE-2011-4108)
- A double-free error exists during a policy check
failure if the flag 'X509_V_FLAG_POLICY_CHECK' is set.
- An error exists related to SSLv3.0 records that can
lead to disclosure of uninitialized memory because the
library does not clear all bytes used as block cipher
- An error exists related to RFC 3779 processing that can
allow denial of service attacks. Note that this
functionality is not enabled by default and must be
configured at compile time via the 'enable-rfc3779'
- An error exists related to handshake restarts for
server gated cryptography (SGC) that can allow denial
of service attacks. (CVE-2011-4619)
See also :
Upgrade to OpenSSL 0.9.8s or later.
Risk factor :
High / CVSS Base Score : 9.3
CVSS Temporal Score : 6.9
Public Exploit Available : false
Family: Web Servers
Nessus Plugin ID: 57459 ()
Bugtraq ID: 5128147888
CVE ID: CVE-2011-1945CVE-2011-4108CVE-2011-4109CVE-2011-4576CVE-2011-4577CVE-2011-4619
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