CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
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).
Product
Type
Vendor
Name
Version
- 1.50
- 1.51
- 1.52
- 1.53
- 1.54
- 1.55
- 1.56
- 1.57
- 1.58
- 1.61
- 1.62
- 1.63
- 1.64
- 1.65
- 1.66
- 1.67
- 1.68
- 1.70
- 1.71
- 1.72
- 1.73
- 1.74
- 1.75
- 1.76
- 1.77
- 1.78
- 1.79
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: 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: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Upgrade: Web Server 1.50
Fortigate IPS: 🔍
Timeline
02/12/2009 🔍02/19/2009 🔍
02/20/2009 🔍
03/02/2009 🔍
03/02/2009 🔍
03/02/2009 🔍
03/03/2009 🔍
03/03/2009 🔍
03/16/2009 🔍
03/22/2009 🔍
03/17/2015 🔍
08/04/2021 🔍
Sources
Advisory: yaws.hyber.orgResearcher: 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
Entry
Created: 03/17/2015 16:11Updated: 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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