VDB-27009 · CVE-2005-3731 · BID 15487

yaSSL up to 1.0.5 Remote Code Execution

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.
9.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in yaSSL and classified as very critical. This issue affects some unknown processing of the component yaSSL. Performing a manipulation results in Remote Code Execution. This vulnerability is cataloged as CVE-2005-3731. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as very critical has been found in yaSSL. This affects an unknown part of the component yaSSL. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in yaSSL before 1.0.6 has unknown impact and attack vectors, related to "certificate chain processing."

The weakness was shared 11/14/2005 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2005-3731 since 11/21/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/13/2018).

Upgrading to version 1.0.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 15487†), OSVDB (20831†) and Secunia (SA17619†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

yaSSL

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: yaSSL 1.0.6

Timelineinfo

11/14/2005 🔍
11/15/2005 +0 days 🔍
11/17/2005 +1 days 🔍
11/17/2005 +0 days 🔍
11/21/2005 +4 days 🔍
11/21/2005 +0 days 🔍
03/11/2015 +3397 days 🔍
07/13/2018 +1220 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3731 (🔍)
GCVE (CVE): GCVE-0-2005-3731
GCVE (VulDB): GCVE-100-27009
SecurityFocus: 15487
Secunia: 17619 - yaSSL Unspecified Certification Chain Processing Vulnerability, Moderately Critical
OSVDB: 20831 - yaSSL Unspecified Certificate Chain Processing Issue

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/13/2018 08:23
Changes: 03/11/2015 23:39 (55), 07/13/2018 08:23 (1)
Complete: 🔍
Cache ID: 216:E03:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.