VDB-26311 · CVE-2005-2916 · BID 14822

Linksys WRT54G 3.01.3/3.03.6/4.00.7 User Authentication restore.cgi privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability has been found in Linksys WRT54G 3.01.3/3.03.6/4.00.7 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the file restore.cgi of the component User Authentication. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect integrity. The summary by CVE is:

Linksys WRT54G 3.01.03, 3.03.6, 4.00.7, and possibly other versions before 4.20.7, does not verify user authentication until after an HTTP POST request has been processed, which allows remote attackers to (1) modify configuration using restore.cgi or (2) upload new firmware using upgrade.cgi.

The bug was discovered 09/13/2005. The weakness was released 09/14/2005 by iDefense Labs with iDEFENSE Labs (Website). It is possible to read the advisory at idefense.com. This vulnerability is known as CVE-2005-2916 since 09/14/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 20096 (Linksys Multiple Vulnerabilities (OF, DoS, more)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r.

Upgrading to version 3.01.03 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (20096). Entries connected to this vulnerability are available at 26313, 26310, 26309 and 26307.

Productinfo

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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: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20096
Nessus Name: Linksys Multiple Vulnerabilities (OF, DoS, more)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 20096
OpenVAS Name: Linksys multiple remote vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WRT54G 3.01.03

Timelineinfo

09/13/2005 🔍
09/13/2005 +0 days 🔍
09/14/2005 +1 days 🔍
09/14/2005 +0 days 🔍
09/14/2005 +0 days 🔍
10/28/2005 +44 days 🔍
11/01/2005 +4 days 🔍
03/11/2015 +3417 days 🔍
06/10/2019 +1552 days 🔍

Sourcesinfo

Vendor: linksys.com

Advisory: idefense.com⛔
Researcher: iDefense Labs
Organization: iDEFENSE Labs
Status: Not defined

CVE: CVE-2005-2916 (🔍)
Vulnerability Center: 9519 - Linksys WRT54G Allows Configuration \x26 Firmware Changes due to Late User Authentication, Medium
SecurityFocus: 14822 - Linksys WRT54G Wireless Router Multiple Remote Vulnerabilities
OSVDB: 19387 - Linksys WRT54G and WRT54GS restore and upgrade router modification

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/10/2019 20:55
Changes: 03/11/2015 23:39 (70), 06/10/2019 20:55 (7)
Complete: 🔍

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