OpenSSL 0.9.8 < 0.9.8zh X509_ATTRIBUTE Memory Leak DoS

This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.

Synopsis :

The remote host is affected by a denial of service vulnerability.

Description :

According to its banner, the remote host is running a version of
OpenSSL 0.9.8 prior to 0.9.8zh. It is, therefore, affected by a flaw
in the ASN1_TFLG_COMBINE implementation in file tasn_dec.c related to
handling malformed X509_ATTRIBUTE structures. A remote attacker can
exploit this to cause a memory leak by triggering a decoding failure
in a PKCS#7 or CMS application, resulting in a denial of service.

See also :

Solution :

Upgrade to OpenSSL version 0.9.8zh or later.

Risk factor :

Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 3.7
Public Exploit Available : false

Family: Web Servers

Nessus Plugin ID: 87219 ()

Bugtraq ID: 78626

CVE ID: CVE-2015-3195

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