CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $0-$5k | 0.00 |
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 vulnerability database at Tenable (88771). The entries 81071, 81073 and 99885 are pretty similar.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: 7pk securityCWE: CWE-254
ATT&CK: T1211
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Nettle 3.2
Patch: git.lysator.liu.se
Timeline
02/01/2016 🔍02/15/2016 🔍
02/15/2016 🔍
02/16/2016 🔍
02/23/2016 🔍
02/23/2016 🔍
02/24/2016 🔍
03/01/2016 🔍
07/08/2022 🔍
Sources
Advisory: USN-2897-1Status: Not defined
Confirmation: 🔍
CVE: CVE-2015-8804 (🔍)
Vulnerability Center: 56879 - Nettle before 3.2 Local Unspecified Vulnerability in ecc-256.c - CVE-2015-8804, Medium
See also: 🔍
Entry
Created: 02/24/2016 09:28Updated: 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: 🔍
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