e107 CMS up to 0.7.8 File Upload signup.php Remote Code Execution

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.
6.9$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in e107 CMS up to 0.7.8. This affects an unknown part of the file signup.php of the component File Upload. This manipulation causes Remote Code Execution. This vulnerability is handled as CVE-2007-3429. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in e107 CMS up to 0.7.8 (Content Management System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file signup.php of the component File Upload. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in signup.php in e107 0.7.8 and earlier, when photograph upload is enabled, allows remote attackers to upload and execute arbitrary PHP code via a filename with a double extension such as .php.jpg.

The weakness was released 06/24/2007 (Website). The advisory is shared at milw0rm.com. This vulnerability is known as CVE-2007-3429 since 06/26/2007. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

A public exploit has been developed by g00ns and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. 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. By approaching the search of inurl:signup.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (35022), Exploit-DB (4099), SecurityFocus (BID 24609†) and OSVDB (45426†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: g00ns
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/24/2007 🔍
06/24/2007 +0 days 🔍
06/24/2007 +0 days 🔍
06/25/2007 +0 days 🔍
06/26/2007 +1 days 🔍
06/26/2007 +0 days 🔍
05/21/2008 +330 days 🔍
03/15/2015 +2488 days 🔍
09/22/2024 +3479 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Status: Confirmed

CVE: CVE-2007-3429 (🔍)
GCVE (CVE): GCVE-0-2007-3429
GCVE (VulDB): GCVE-100-37501
X-Force: 35022
SecurityFocus: 24609 - E107 Signup.PHP Arbitrary File Upload Vulnerability
OSVDB: 45426 - e107 signup.php Double Extension Unrestricted File Upload Arbitrary Code Execution

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

Entryinfo

Created: 03/15/2015 15:58
Updated: 09/22/2024 20:36
Changes: 03/15/2015 15:58 (53), 07/11/2019 08:45 (9), 09/22/2024 20:36 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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