The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1     before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds     read and application crash) via a crafted length field in ASN1_TIME data, as demonstrated by an attack     against a server that supports client authentication with a custom verification callback. (CVE-2015-1789)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2015-155:05 advisory.

    The OpenSSL toolkit provides support for secure communications between     machines. OpenSSL includes a certificate management tool and shared     libraries which provide various cryptographic algorithms and     protocols.
    Security issues fixed with this release:
    CVE-2014-8176     CVE-2015-1789     CVE-2015-1790     CVE-2015-1791     CVE-2015-1792     CVE-2015-3216

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Updated openssl packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7.

Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

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.

An invalid free flaw was found in the way OpenSSL handled certain DTLS handshake messages. A malicious DTLS client or server could cause a DTLS server or client using OpenSSL to crash or, potentially, execute arbitrary code. (CVE-2014-8176)

A flaw was found in the way the OpenSSL packages shipped with Red Hat Enterprise Linux 6 and 7 performed locking in the ssleay_rand_bytes() function. This issue could possibly cause a multi-threaded application using OpenSSL to perform an out-of-bounds read and crash.
(CVE-2015-3216)

An out-of-bounds read flaw was found in the X509_cmp_time() function of OpenSSL. A specially crafted X.509 certificate or a Certificate Revocation List (CRL) could possibly cause a TLS/SSL server or client using OpenSSL to crash. (CVE-2015-1789)

A race condition was found in the session handling code of OpenSSL.
This issue could possibly cause a multi-threaded TLS/SSL client using OpenSSL to double free session ticket data and crash. (CVE-2015-1791)

A flaw was found in the way OpenSSL handled Cryptographic Message Syntax (CMS) messages. A CMS message with an unknown hash function identifier could cause an application using OpenSSL to enter an infinite loop. (CVE-2015-1792)

A NULL pointer dereference was found in the way OpenSSL handled certain PKCS#7 inputs. A specially crafted PKCS#7 input with missing EncryptedContent data could cause an application using OpenSSL to crash. (CVE-2015-1790)

Red Hat would like to thank the OpenSSL project for reporting CVE-2014-8176, CVE-2015-1789, CVE-2015-1790, CVE-2015-1791 and CVE-2015-1792 flaws. Upstream acknowledges Praveen Kariyanahalli and Ivan Fratric as the original reporters of CVE-2014-8176, Robert Swiecki and Hanno Bock as the original reporters of CVE-2015-1789, Michal Zalewski as the original reporter of CVE-2015-1790, Emilia Kasper as the original report of CVE-2015-1791 and Johannes Bauer as the original reporter of CVE-2015-1792.

All openssl users are advised to upgrade to these updated packages, which contain backported patches to correct these issues. For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted.

Multiple moderate and low impact security issues fixed.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote host is running a version of Gaia OS which is affected by multiple vulnerabilities:

  - An out of bounds read denial of service vulnerability     in OpenSSL (CVE-2015-1789)

  - An information disclosure weakness in the RC4     algorithm as used in SSL/TLS (CVE-2015-2808)

According to its version, the installation of Tenable Nessus running on the remote host is version 5.x prior to 5.2.12 or 6.x prior to 6.4.
It is, therefore, affected by multiple denial of service vulnerabilities in the bundled OpenSSL component :

  - 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)

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
218536	Linux Distros Unpatched Vulnerability : CVE-2015-1789	Nessus	Misc.	2025/3/4	2026/8/4	high
291461	MiracleLinux 4 : openssl-1.0.1e-30.AXS4.11 (AXSA:2015-155:05)	Nessus	Miracle Linux Local Security Checks	2026/1/19	2026/1/19	high
84204	RHEL 6 / 7 : openssl (RHSA-2015:1115)	Nessus	Red Hat Local Security Checks	2015/6/16	2021/2/5	high
84301	Fedora 22 : openssl-1.0.1k-10.fc22 (2015-10047)	Nessus	Fedora Local Security Checks	2015/6/22	2021/1/11	high
84375	Fedora 21 : openssl-1.0.1k-10.fc21 (2015-10108)	Nessus	Fedora Local Security Checks	2015/6/25	2021/1/11	high
105000	Check Point Gaia Operating System Multiple Vulnerabilities (sk106499)	Nessus	Firewalls	2017/12/4	2025/11/12	high
86949	Nessus 5.x < 5.2.12 / 6.x < 6.4 Multiple OpenSSL Vulnerabilities	Nessus	Misc.	2015/11/19	2026/10/30	high

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