HP System Management Homepage < 7.5.4 Multiple Vulnerabilities (Logjam)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote web server is affected by multiple vulnerabilities.

Description :

According to the web server's banner, the version of HP System
Management Homepage (SMH) hosted on the remote web server is a version
prior to 7.5.4. It is, therefore, affected by the following
vulnerabilities :

- A denial of service vulnerability exists when processing
an ECParameters structure due to an infinite loop that
occurs when a specified curve is over a malformed binary
polynomial field. A remote attacker can exploit this to
perform a denial of service against any system that
processes public keys, certificate requests, or
certificates. This includes TLS clients and TLS servers
with client authentication enabled. (CVE-2015-1788)

- A denial of service vulnerability exists due to improper
validation of the content and length of the ASN1_TIME
string by the X509_cmp_time() function. A remote
attacker can exploit this, via a malformed certificate
and CRLs of various sizes, to cause a segmentation
fault, resulting in a denial of service condition. TLS
clients that verify CRLs are affected. TLS clients and
servers with client authentication enabled may be
affected if they use custom verification callbacks.
(CVE-2015-1789)

- A NULL pointer dereference flaw exists in the PKCS#7
parsing code due to incorrect handling of missing inner
'EncryptedContent'. This allows a remote attacker, via
specially crafted ASN.1-encoded PKCS#7 blobs with
missing content, to cause a denial of service condition
or other potential unspecified impacts. (CVE-2015-1790)

- A double-free error exists due to a race condition that
occurs when a NewSessionTicket is received by a
multi-threaded client when attempting to reuse a
previous ticket. (CVE-2015-1791)

- A denial of service vulnerability exists in the CMS code
due to an infinite loop that occurs when verifying a
signedData message. A remote attacker can exploit this
to cause a denial of service condition. (CVE-2015-1792)

- A certificate validation bypass vulnerability exists in
the Security:Encryption subcomponent due to a flaw in
the X509_verify_cert() function in x509_vfy.c that is
triggered when locating alternate certificate chains
when the first attempt to build such a chain fails. A
remote attacker can exploit this, by using a valid leaf
certificate as a certificate authority (CA), to issue
invalid certificates that will bypass authentication.
(CVE-2015-1793)

- A cross-request authentication bypass vulnerability
exists in libcurl due to the use of an existing,
authenticated connection when performing a subsequent
unauthenticated NTLM HTTP request. An attacker can
exploit this to bypass authentication mechanisms.
(CVE-2015-3143)

- A denial of service vulnerability exists in libcurl due
to a flaw in the sanitize_cookie_path() function that is
triggered when handling a cookie path element that
consists of a single double-quote. An attacker can
exploit this to cause the application to crash.
(CVE-2015-3145)

- A cross-request authentication bypass vulnerability
exists in libcurl due to a flaw that is triggered when a
request is 'Negotiate' authenticated, which can cause
the program to treat the entire connection as
authenticated rather than just that specific request. An
attacker can exploit this to bypass authentication
mechanisms for subsequent requests. (CVE-2015-3148)

- A man-in-the-middle vulnerability, known as Logjam,
exists due to a flaw in the SSL/TLS protocol. A remote
attacker can exploit this flaw to downgrade connections
using ephemeral Diffie-Hellman key exchange to 512-bit
export-grade cryptography. (CVE-2015-4000)

- A flaw exists in the multipart_buffer_headers() function
in rfc1867.c due to improper handling of
multipart/form-data in HTTP requests. A remote attacker
can exploit this flaw to cause a consumption of CPU
resources, resulting in a denial of service condition.
(CVE-2015-4024)

- An unspecified flaw exists that allows an authenticated,
remote attacker to impact confidentiality and integrity.
(CVE-2016-1993)

- An unspecified information disclosure vulnerability
exists that allows an authenticated, remote attacker to
gain unauthorized access to information. (CVE-2016-1994)

- An unspecified remote code execution vulnerability
exists that allows an unauthenticated, remote attacker
to take complete control of the system. (CVE-2016-1995)

- An unspecified flaw exists that allows a local attacker
to impact confidentiality and integrity. (CVE-2016-1996)

See also :

http://www.nessus.org/u?4248fa41
https://weakdh.org/

Solution :

Upgrade to HP System Management Homepage (SMH) version 7.5.4 or later.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

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