The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2016-1108:01 advisory.

    Nettle is a cryptographic library that is designed to fit easily in more     or less any context: In crypto toolkits for object-oriented languages     (C  , Python, Pike, ...), in applications like LSH or GNUPG, or even in     kernel space.
    Security issues fixed with this release:
    CVE-2015-8803     The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not     properly handle carry propagation and produces incorrect output in its     implementation of the P-256 NIST elliptic curve, which allows     attackers to have unspecified impact via unknown vectors, a different     vulnerability than CVE-2015-8805.
    CVE-2015-8804     x86_64/ecc-384-modp.asm in Nettle before 3.2 does not properly handle     carry propagation and produces incorrect output in its implementation     of the P-384 NIST elliptic curve, which allows attackers to have     unspecified impact via unknown vectors.
    CVE-2015-8805     The ecc_256_modq function in ecc-256.c in Nettle before 3.2 does not     properly handle carry propagation and produces incorrect output in its     implementation of the P-256 NIST elliptic curve, which allows     attackers to have unspecified impact via unknown vectors, a different     vulnerability than CVE-2015-8803.
    CVE-2016-6489
    ** RESERVED **     This candidate has been reserved by an organization or individual that     will use it when announcing a new security problem.  When the     candidate has been publicized, the details for this candidate will be     provided.
    Nettle is a cryptographic library that is designed to fit easily in almost any context: In cryptographic     toolkits for object-oriented languages, such as C  , Python, or Pike, in applications like lsh or GnuPG,     or even in kernel space.
    Additional Changes:

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.

This update for libnettle fixes the following security issues :

  - CVE-2015-8803: Fixed miscomputation bugs in secp-256r1     modulo functions. (bsc#964845)

  - CVE-2015-8804: Fixed carry folding bug in x86_64     ecc_384_modp. (bsc#964847)

  - CVE-2015-8805: Fixed miscomputation bugs in secp-256r1     modulo functions. (bsc#964849)

This update was imported from the SUSE:SLE-12:Update update project.

Fixes CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 (secp256r1 and secp384r1 bugs)

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

According to the versions of the nettle packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - Nettle is a cryptographic library that is designed to     fit easily in more or less any context: In crypto     toolkits for object-oriented languages(C++, Python,     Pike, ...), in applications like LSH or GNUPG, or even     in kernel space.

  - Secure Fix(es):

  - The ecc_256_modp function in ecc-256.c in Nettle before     3.2 does not properly handle carry propagation and     produces incorrect output in its implementation of the     P-256 NIST elliptic curve, which allows attackers to     have unspecified impact via unknown vectors, a     different vulnerability than     CVE-2015-8805.(CVE-2015-8803)

  - x86_64/ecc-384-modp.asm in Nettle before 3.2 does not     properly handle carry propagation and produces     incorrect output in its implementation of the P-384     NIST elliptic curve, which allows attackers to have     unspecified impact via unknown vectors.(CVE-2015-8804)

  - The ecc_256_modq function in ecc-256.c in Nettle before     3.2 does not properly handle carry propagation and     produces incorrect output in its implementation of the     P-256 NIST elliptic curve, which allows attackers to     have unspecified impact via unknown vectors, a     different vulnerability than     CVE-2015-8803.(CVE-2015-8805)

  - It was found that nettle's RSA and DSA decryption code     was vulnerable to cache-related side channel attacks.
    An attacker could use this flaw to recover the private     key from a co-located virtual-machine     instance.(CVE-2016-6489)

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

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-2582 advisory.

    - Use a cache-silent version of mpz_powm to prevent cache-timing       attacks against RSA and DSA in shared VMs. (#1364897,CVE-2016-6489)

Tenable has extracted the preceding description block directly from the Oracle 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.

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2897-1 advisory.

    Hanno Bck discovered that Nettle incorrectly handled carry propagation in the NIST P-256 elliptic curve.
    (CVE-2015-8803)

    Hanno Bck discovered that Nettle incorrectly handled carry propagation in the NIST P-384 elliptic curve.
    (CVE-2015-8804)

    Niels Moeller discovered that Nettle incorrectly handled carry propagation in the NIST P-256 elliptic     curve. (CVE-2015-8805)

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

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

Security Fix(es) :

  - Multiple flaws were found in the way nettle implemented     elliptic curve scalar multiplication. These flaws could     potentially introduce cryptographic weaknesses into     nettle's functionality. (CVE-2015-8803, CVE-2015-8804,     CVE-2015-8805)

  - It was found that nettle's RSA and DSA decryption code     was vulnerable to cache-related side channel attacks. An     attacker could use this flaw to recover the private key     from a co-located virtual-machine instance.
    (CVE-2016-6489)

Additional Changes :

This update for libnettle fixes the following issues :

  - CVE-2015-8803: secp256 calculation bug (boo#964845)

  - CVE-2015-8804: Miscalculations on secp384 curve     (boo#964847)

  - CVE-2015-8805: Fixed miscomputation bugs in secp-256r1     modulo functions. (boo#964849)

An update for nettle is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Nettle is a cryptographic library that is designed to fit easily in almost any context: In cryptographic toolkits for object-oriented languages, such as C++, Python, or Pike, in applications like lsh or GnuPG, or even in kernel space.

Security Fix(es) :

* Multiple flaws were found in the way nettle implemented elliptic curve scalar multiplication. These flaws could potentially introduce cryptographic weaknesses into nettle's functionality. (CVE-2015-8803, CVE-2015-8804, CVE-2015-8805)

* It was found that nettle's RSA and DSA decryption code was vulnerable to cache-related side channel attacks. An attacker could use this flaw to recover the private key from a co-located virtual-machine instance. (CVE-2016-6489)

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.3 Release Notes linked from the References section.

This update for libnettle fixes the following security issues :

  - CVE-2015-8803: Fixed miscomputation bugs in secp-256r1     modulo functions. (bsc#964845)

  - CVE-2015-8804: Fixed carry folding bug in x86_64     ecc_384_modp. (bsc#964847)

  - CVE-2015-8805: Fixed miscomputation bugs in secp-256r1     modulo functions. (bsc#964849)

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

ID	Name	Product	Family	Published	Updated	Severity
289517	MiracleLinux 7 : nettle-2.7.1-8.el7 (AXSA:2016-1108:01)	Nessus	Miracle Linux Local Security Checks	1/16/2026	1/16/2026	critical
88772	openSUSE Security Update : libnettle (openSUSE-2016-212)	Nessus	SuSE Local Security Checks	2/17/2016	1/19/2021	critical
92179	Fedora 23 : compat-nettle27 (2016-d94300845b)	Nessus	Fedora Local Security Checks	7/14/2016	2/2/2026	critical
99823	EulerOS 2.0 SP1 : nettle (EulerOS-SA-2016-1061)	Nessus	Huawei Local Security Checks	5/1/2017	12/22/2025	critical
94704	Oracle Linux 7 : nettle (ELSA-2016-2582)	Nessus	Oracle Linux Local Security Checks	11/11/2016	4/29/2025	critical
88748	Ubuntu 14.04 LTS : Nettle vulnerabilities (USN-2897-1)	Nessus	Ubuntu Local Security Checks	2/16/2016	8/27/2024	critical
95849	Scientific Linux Security Update : nettle on SL7.x x86_64 (20161103)	Nessus	Scientific Linux Local Security Checks	12/15/2016	1/14/2026	critical
88823	openSUSE Security Update : libnettle (openSUSE-2016-217)	Nessus	SuSE Local Security Checks	2/18/2016	1/19/2021	critical
94545	RHEL 7 : nettle (RHSA-2016:2582)	Nessus	Red Hat Local Security Checks	11/4/2016	1/20/2026	critical
95329	CentOS 7 : nettle (CESA-2016:2582)	Nessus	CentOS Local Security Checks	11/28/2016	1/16/2026	critical
88771	openSUSE Security Update : libnettle (openSUSE-2016-211)	Nessus	SuSE Local Security Checks	2/17/2016	1/19/2021	critical
88802	SUSE SLED12 / SLES12 Security Update : libnettle (SUSE-SU-2016:0455-1)	Nessus	SuSE Local Security Checks	2/17/2016	1/6/2021	critical

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