There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB
    mode. This mode is regarded as unsafe and support for it has been removed from the provider.
    (CVE-2016-1000344)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:2927 advisory.

    Red Hat Satellite is a systems management tool for Linux-based infrastructure.
    It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single     centralized tool.

    Security Fix(es):

    * jackson-databind: Unsafe deserialization due to incomplete black list (incomplete fix for CVE-2017-7525)     (CVE-2017-15095)

    * hornetq: XXE/SSRF in XPath selector (CVE-2015-3208)

    * bouncycastle: Information disclosure in GCMBlockCipher (CVE-2015-6644)

    * bouncycastle: DSA does not fully validate ASN.1 encoding during signature verification allowing for     injection of unsigned data (CVE-2016-1000338)

    * bouncycastle: Information leak in AESFastEngine class (CVE-2016-1000339)

    * bouncycastle: Information exposure in DSA signature generation via timing attack (CVE-2016-1000341)

    * bouncycastle: ECDSA improper validation of ASN.1 encoding of signature (CVE-2016-1000342)

    * bouncycastle: DHIES implementation allowed the use of ECB mode (CVE-2016-1000344)

    * bouncycastle: DHIES/ECIES CBC modes are vulnerable to padding oracle attack (CVE-2016-1000345)

    * bouncycastle: Other party DH public keys are not fully validated (CVE-2016-1000346)

    * bouncycastle: ECIES implementation allowed the use of ECB mode (CVE-2016-1000352)

    * logback: Serialization vulnerability in SocketServer and ServerSocketReceiver (CVE-2017-5929)

    * python-django: Open redirect and possible XSS attack via user-supplied numeric redirect URLs     (CVE-2017-7233)

    * hibernate-validator: Privilege escalation when running under the security manager (CVE-2017-7536)

    * puppet: Environment leakage in puppet-agent (CVE-2017-10690)

    * Satellite 6: XSS in discovery rule filter autocomplete functionality (CVE-2017-12175)

    * foreman: Stored XSS in fact name or value (CVE-2017-15100)

    * pulp: sensitive credentials revealed through the API (CVE-2018-1090)

    * foreman: SQL injection due to improper handling of the widget id parameter (CVE-2018-1096)

    * foreman: Ovirt admin password exposed by foreman API (CVE-2018-1097)

    * django: Catastrophic backtracking in regular expressions via 'urlize' and 'urlizetrunc' (CVE-2018-7536)

    * django: Catastrophic backtracking in regular expressions via 'truncatechars_html' and     'truncatewords_html' (CVE-2018-7537)

    * guava: Unbounded memory allocation in AtomicDoubleArray and CompoundOrdering classes allow remote     attackers to cause a denial of service (CVE-2018-10237)

    * bouncycastle: Carry propagation bug in math.raw.Nat??? class (CVE-2016-1000340)

    * bouncycastle: DSA key pair generator generates a weak private key by default (CVE-2016-1000343)

    * puppet: Unpacking of tarballs in tar/mini.rb can create files with insecure permissions (CVE-2017-10689)

    * bouncycastle: BKS-V1 keystore files vulnerable to trivial hash collisions (CVE-2018-5382)

    For more details about the security issue(s), including the impact, a CVSS score, and other related     information, refer to the CVE page(s) listed in the References section.

    Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-15095; and the Django project for     reporting CVE-2017-7233, CVE-2018-7536, and CVE-2018-7537. The CVE-2017-7536 issue was discovered by     Gunnar Morling (Red Hat); and the CVE-2018-1096 issue was discovered by Martin Povolny (Red Hat). Red Hat     would also like to thank David Jorm (IIX Product Security) for reporting CVE-2015-3208.

    Additional Changes:

    This update also fixes several bugs and adds various enhancements. Documentation for these changes is     available from the Release Notes document linked to in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

This update for bouncycastle to version 1.59 fixes the following issues :

These security issues were fixed :

  - CVE-2017-13098: BouncyCastle, when configured to use the     JCE (Java Cryptography Extension) for cryptographic     functions, provided a weak Bleichenbacher oracle when     any TLS cipher suite using RSA key exchange was     negotiated. An attacker can recover the private key from     a vulnerable application. This vulnerability is referred     to as 'ROBOT' (bsc#1072697).

  - CVE-2016-1000338: Ensure full validation of ASN.1     encoding of signature on verification. It was possible     to inject extra elements in the sequence making up the     signature and still have it validate, which in some     cases may have allowed the introduction of 'invisible'     data into a signed structure (bsc#1095722).

  - CVE-2016-1000339: Prevent AESEngine key information leak     via lookup table accesses (boo#1095853).

  - CVE-2016-1000340: Preventcarry propagation bugs in the     implementation of squaring for several raw math classes     (boo#1095854).

  - CVE-2016-1000341: Fix DSA signature generation     vulnerability to timing attack (boo#1095852).

  - CVE-2016-1000341: DSA signature generation was     vulnerable to timing attack. Where timings can be     closely observed for the generation of signatures may     have allowed an attacker to gain information about the     signature's k value and ultimately the private value as     well (bsc#1095852).

  - CVE-2016-1000342: Ensure that ECDSA does fully validate     ASN.1 encoding of signature on verification. It was     possible to inject extra elements in the sequence making     up the signature and still have it validate, which in     some cases may have allowed the introduction of     'invisible' data into a signed structure (bsc#1095850).

  - CVE-2016-1000343: Prevent weak default settings for     private DSA key pair generation (boo#1095849).

  - CVE-2016-1000344: Removed DHIES from the provider to     disable the unsafe usage of ECB mode (boo#1096026).

  - CVE-2016-1000345: The DHIES/ECIES CBC mode was     vulnerable to padding oracle attack. In an environment     where timings can be easily observed, it was possible     with enough observations to identify when the decryption     is failing due to padding (bsc#1096025).

  - CVE-2016-1000346: The other party DH public key was not     fully validated. This could have caused issues as     invalid keys could be used to reveal details about the     other party's private key where static Diffie-Hellman is     in use (bsc#1096024).

  - CVE-2016-1000352: Remove ECIES from the provider to     disable the unsafe usage of ECB mode (boo#1096022).

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

  - In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB     mode. This mode is regarded as unsafe and support for it has been removed from the provider.
    (CVE-2016-1000344)

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

ID	Name	Product	Family	Published	Updated	Severity
422630	SCA: security update for org.bouncycastle:bcprov-jdk14, org.bouncycastle:bcprov-jdk15 (GHSA-2j2x-hx4g-2gf4)	Tenable Self-Hosted Container Security	SCA Checks	3/28/2025	7/2/2026	high
422630	SCA: security update for org.bouncycastle:bcprov-jdk14, org.bouncycastle:bcprov-jdk15 (GHSA-2j2x-hx4g-2gf4)	Tenable Cloud Security	SCA Checks	3/28/2025	7/2/2026	high
118185	RHEL 7 : Satellite 6.4 (RHSA-2018:2927)	Nessus	Red Hat Local Security Checks	10/18/2018	8/29/2025	high
110530	openSUSE Security Update : bouncycastle (openSUSE-2018-628)	Nessus	SuSE Local Security Checks	6/14/2018	9/20/2024	high
251498	Linux Distros Unpatched Vulnerability : CVE-2016-1000344	Nessus	Misc.	8/18/2025	8/18/2025	high

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