VDB-136363 · CVE-2009-5157 · BID 35142

Linksys WAG54G2 1.00.10 setup.cgi c4_ping_ipaddr command injection

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.
7.2	$0-$5k	0.00

A vulnerability has been found in Linksys WAG54G2 1.00.10 and classified as critical. Affected by this vulnerability is an unknown part of the file setup.cgi. The manipulation of the argument c4_ping_ipaddr as part of a Shell Metacharacter leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

On Linksys WAG54G2 1.00.10 devices, there is authenticated command injection via shell metacharacters in the setup.cgi c4_ping_ipaddr variable.

The weakness was presented 06/11/2019 by Michal Sajdak. This vulnerability is known as CVE-2009-5157 since 06/11/2019. The attack can be launched remotely. A single authentication is necessary for exploitation. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 35142†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Linksys

Name

WAG54G2

Version

1.00.10

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/15/2009 🔍
06/11/2019 +3679 days 🔍
06/11/2019 +0 days 🔍
06/12/2019 +1 days 🔍
10/03/2023 +1574 days 🔍

Sourcesinfo

Vendor: linksys.com

Advisory: securityfocus.com⛔
Researcher: Michal Sajdak
Status: Not defined

CVE: CVE-2009-5157 (🔍)
SecurityFocus: 35142 - Linksys WAG54G2 Web Management Console Remote Arbitrary Shell Command Injection Vulnerability

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

Entryinfo

Created: 06/12/2019 10:47 AM
Updated: 10/03/2023 02:46 PM
Changes: 06/12/2019 10:47 AM (42), 06/22/2020 04:28 PM (21), 10/03/2023 02:46 PM (4)
Complete: 🔍
Cache ID: 18:CEA:40