yaSSL CyaSSL up to 2.9.0 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in yaSSL CyaSSL. This affects an unknown function. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2014-2899. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in yaSSL CyaSSL and classified as problematic. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

wolfSSL CyaSSL before 2.9.4 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a request for the peer certificate when a certificate parsing failure occurs or (2) a client_key_exchange message when the ephemeral key is not found.

The weakness was published 04/22/2014 by Ivan Fratric with Google (Website). The advisory is shared for download at wolfssl.com. This vulnerability is handled as CVE-2014-2899 since 04/18/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 96228 (GLSA-201612-53 : CyaSSL: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 0.6.3 eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96228), SecurityFocus (BID 66780†) and Secunia (SA57743†). Similar entry is available at VDB-69441. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 96228
Nessus Name: GLSA-201612-53 : CyaSSL: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: CyaSSL 0.6.3

Timelineinfo

04/09/2014 🔍
04/11/2014 +2 days 🔍
04/18/2014 +7 days 🔍
04/22/2014 +4 days 🔍
04/22/2014 +0 days 🔍
03/25/2015 +337 days 🔍
12/31/2016 +647 days 🔍
01/03/2017 +3 days 🔍
05/11/2026 +3415 days 🔍

Sourcesinfo

Advisory: wolfssl.com
Researcher: Ivan Fratric
Organization: Google
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-2899 (🔍)
GCVE (CVE): GCVE-0-2014-2899
GCVE (VulDB): GCVE-100-69440
SecurityFocus: 66780 - CyaSSL Multiple Security Vulnerabilities
Secunia: 57743 - CyaSSL Multiple Vulnerabilities, Highly Critical

See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 05/11/2026 14:15
Changes: 03/25/2015 16:45 (58), 03/09/2019 11:16 (11), 05/11/2026 14:15 (19)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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