GnuTLS 3.0/3.1 ECC Certificate cryptographic issue

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in GnuTLS 3.0/3.1. This affects an unknown function of the component ECC Certificate Handler. Executing a manipulation can lead to cryptographic issue. The identification of this vulnerability is CVE-2014-8564. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in GnuTLS 3.0/3.1 (Network Encryption Software). It has been declared as critical. This vulnerability affects an unknown code block of the component ECC Certificate Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. The CWE definition for the vulnerability is CWE-310. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 11/11/2014 by Sean Burford as Bug 1161443 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2014-8564 since 10/30/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

The vulnerability scanner Nessus provides a plugin with the ID 79209 (Ubuntu 14.10 : gnutls28 vulnerability (USN-2403-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167425 (SUSE Enterprise Linux Security update for gnutls (SUSE-SU-2014:1628-1)).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (98606), Tenable (79209), SecurityFocus (BID 71003†), Secunia (SA62284†) and SecurityTracker (ID 1031207†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 79209
Nessus Name: Ubuntu 14.10 : gnutls28 vulnerability (USN-2403-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 901006
OpenVAS Name: Oracle Linux Local Check: ELSA-2014-1846
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/30/2014 🔍
11/10/2014 +11 days 🔍
11/10/2014 +0 days 🔍
11/11/2014 +1 days 🔍
11/11/2014 +0 days 🔍
11/11/2014 +0 days 🔍
11/12/2014 +1 days 🔍
11/12/2014 +0 days 🔍
11/12/2014 +0 days 🔍
11/13/2014 +1 days 🔍
12/09/2024 +3679 days 🔍

Sourcesinfo

Advisory: Bug 1161443
Researcher: Sean Burford
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-8564 (🔍)
GCVE (CVE): GCVE-0-2014-8564
GCVE (VulDB): GCVE-100-68164

OVAL: 🔍

X-Force: 98606 - GnuTLS ECC certificates code execution, Medium Risk
SecurityFocus: 71003 - GnuTLS CVE-2014-8564 Multiple Heap Corruption Denial of Service Vulnerabilities
Secunia: 62284 - GnuTLS "_gnutls_ecc_ansi_x963_export()" Integer Underflow Vulnerability, Moderately Critical
SecurityTracker: 1031207 - GnuTLS ECC Certificate Processing Flaw Lets Remote Users Deny Service
Vulnerability Center: 46968 - GnuTLS before 3.1.28 Remote DoS due to Failure to Handle Exceptional Conditions, Medium

Entryinfo

Created: 11/12/2014 16:34
Updated: 12/09/2024 02:08
Changes: 11/12/2014 16:34 (78), 06/11/2017 05:20 (7), 02/24/2022 14:07 (3), 02/24/2022 14:10 (1), 12/09/2024 02:08 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!