Yaws Webserver up to 1.55 information disclosure

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 (≈)
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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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Yaws Webserver up to 1.55. This impacts an unknown function. Such manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2005-2008. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Yaws Webserver up to 1.55 (Web Server). Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Yaws Webserver 1.55 and earlier allows remote attackers to obtain the source code for yaws scripts via a request to a yaw script with a trailing %00 (null).

The bug was discovered 06/01/2005. The weakness was disclosed 06/17/2005 by Daniel Fabian with SEC-CONSULT (Website). The advisory is available at yaws.hyber.org. This vulnerability is handled as CVE-2005-2008 since 06/20/2005. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

After even before and not, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 18522 (Yaws Web Server .yaws Script Null Byte Request Source Code Disclosure), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (18522), SecurityFocus (BID 13981†), OSVDB (17375†), Secunia (SA15740†) and Vulnerability Center (SBV-8397†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

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: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 18522
Nessus Name: Yaws Web Server .yaws Script Null Byte Request Source Code Disclosure
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2005 🔍
06/01/2005 +151 days 🔍
06/17/2005 +16 days 🔍
06/17/2005 +0 days 🔍
06/17/2005 +0 days 🔍
06/17/2005 +0 days 🔍
06/17/2005 +0 days 🔍
06/17/2005 +0 days 🔍
06/17/2005 +0 days 🔍
06/20/2005 +2 days 🔍
06/21/2005 +1 days 🔍
03/11/2015 +3550 days 🔍
06/02/2019 +1544 days 🔍

Sourcesinfo

Advisory: yaws.hyber.org
Researcher: Daniel Fabian
Organization: SEC-CONSULT
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-2008 (🔍)
GCVE (CVE): GCVE-0-2005-2008
GCVE (VulDB): GCVE-100-25562
SecurityFocus: 13981 - Yaws Remote Source Code Disclosure Vulnerability
Secunia: 15740 - Yaws Source Code Disclosure Vulnerability, Moderately Critical
OSVDB: 17375 - Yaws Web Server .yaws Script Null Byte Request Source Code Disclosure
Vulnerability Center: 8397 - Yaws Remote Source Code Disclosure Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/11/2015 11:41
Updated: 06/02/2019 16:51
Changes: 03/11/2015 11:41 (70), 06/02/2019 16:51 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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