Yaws Web Server up to 1.79 resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as problematic has been found in Yaws Web Server (Web Server). This affects an unknown function. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Yaws before 1.80 allows remote attackers to cause a denial of service (memory consumption and crash) via a request with a large number of headers.

The weakness was published 03/02/2009 by Praveen Darshanam (Website). It is possible to read the advisory at yaws.hyber.org. This vulnerability is uniquely identified as CVE-2009-0751 since 03/02/2009. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Praveen Darshanam in Perl and been published 1 days after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 35924 (Debian DSA-1740-1 : yaws - denial of service), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 1.50 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (48826), Tenable (35924) and Exploit-DB (8148).

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Praveen Darshanam
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 35924
Nessus Name: Debian DSA-1740-1 : yaws - denial of service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 63605
OpenVAS Name: Debian Security Advisory DSA 1740-1 (yaws)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Web Server 1.50
Fortigate IPS: 🔍

Timelineinfo

02/12/2009 🔍
02/19/2009 +7 days 🔍
02/20/2009 +1 days 🔍
03/02/2009 +10 days 🔍
03/02/2009 +0 days 🔍
03/02/2009 +0 days 🔍
03/03/2009 +1 days 🔍
03/03/2009 +0 days 🔍
03/16/2009 +13 days 🔍
03/22/2009 +6 days 🔍
03/17/2015 +2186 days 🔍
08/04/2021 +2332 days 🔍

Sourcesinfo

Advisory: yaws.hyber.org
Researcher: Praveen Darshanam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0751 (🔍)
OVAL: 🔍

X-Force: 48826
Vulnerability Center: 21329 - Yaws < 1.80 Remote Denial of Service via a Request with Large Number of Headers, High
SecurityFocus: 33834 - Yaws Multiple Header Request Denial of Service Vulnerability
Secunia: 33979 - Yaws Request Headers Denial of Service Vulnerability, Less Critical
Vupen: ADV-2009-0590

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

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/04/2021 19:33
Changes: 03/17/2015 16:11 (65), 07/15/2017 16:49 (22), 08/04/2021 19:33 (2)
Complete: 🔍

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