Nettle up to 3.1 x86_64/ecc-384-modp.asm 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Nettle up to 3.1. This affects an unknown part of the file x86_64/ecc-384-modp.asm. The manipulation results in 7pk security. This vulnerability is reported as CVE-2015-8804. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as very critical has been found in Nettle up to 3.1. Affected is an unknown code block of the file x86_64/ecc-384-modp.asm. The manipulation with an unknown input leads to a 7pk security vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed 02/23/2016 (Website). The advisory is shared for download at lists.lysator.liu.se. This vulnerability is traded as CVE-2015-8804 since 02/01/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/08/2022). The MITRE ATT&CK project declares the attack technique as T1211.

The vulnerability scanner Nessus provides a plugin with the ID 88771 (openSUSE Security Update : libnettle (openSUSE-2016-211)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236153 (Red Hat Update for nettle (RHSA-2016:2582)).

Upgrading to version 3.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (88771) and Vulnerability Center (SBV-56879†). The entries VDB-81071, VDB-81073 and VDB-99885 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88771
Nessus Name: openSUSE Security Update : libnettle (openSUSE-2016-211)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for compat-nettle27 FEDORA-2016-d94300845b
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nettle 3.2
Patch: git.lysator.liu.se

Timelineinfo

02/01/2016 🔍
02/15/2016 +14 days 🔍
02/15/2016 +0 days 🔍
02/16/2016 +1 days 🔍
02/23/2016 +6 days 🔍
02/23/2016 +0 days 🔍
02/24/2016 +1 days 🔍
03/01/2016 +6 days 🔍
07/08/2022 +2319 days 🔍

Sourcesinfo

Advisory: USN-2897-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8804 (🔍)
GCVE (CVE): GCVE-0-2015-8804
GCVE (VulDB): GCVE-100-81072
Vulnerability Center: 56879 - Nettle before 3.2 Local Unspecified Vulnerability in ecc-256.c - CVE-2015-8804, Medium

See also: 🔍

Entryinfo

Created: 02/24/2016 09:28
Updated: 07/08/2022 13:19
Changes: 02/24/2016 09:28 (58), 08/25/2018 09:12 (21), 07/08/2022 13:13 (5), 07/08/2022 13:19 (1)
Complete: 🔍
Cache ID: 216::103

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