Flux CMS up to 1.3 XML input validation

HistoryDiffrelatejsonxmlCTI

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-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Flux CMS up to 1.3. The impacted element is an unknown function. Performing a manipulation of the argument XML results in input validation. This vulnerability was named CVE-2008-2686. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Flux CMS up to 1.3 (Content Management System). This affects an unknown code. The manipulation of the argument XML with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

webinc/bxe/scripts/loadsave.php in Flux CMS 1.5.0 and earlier allows remote attackers to execute arbitrary code by overwriting a PHP file in webinc/bxe/scripts/ via a filename in the XML parameter and PHP sequences in the request body, then making a direct request for this filename.

The weakness was presented 06/13/2008 by EgiX (Website). The advisory is shared at milw0rm.com. This vulnerability is uniquely identified as CVE-2008-2686 since 06/13/2008. 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 and a public exploit are known.

A public exploit has been developed by EgiX and been published even before and not after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

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 (42961), Exploit-DB (5767) and SecurityFocus (BID 29618†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Content Management System

Name

Flux CMS

Version

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

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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: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2008 🔍
06/09/2008 +0 days 🔍
06/09/2008 +0 days 🔍
06/13/2008 +4 days 🔍
06/13/2008 +0 days 🔍
06/13/2008 +0 days 🔍
03/16/2015 +2467 days 🔍
10/27/2024 +3513 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Researcher: EgiX
Status: Confirmed

CVE: CVE-2008-2686 (🔍)
GCVE (CVE): GCVE-0-2008-2686
GCVE (VulDB): GCVE-100-42753
X-Force: 42961 - Flux CMS loadsave.php file overwrite
SecurityFocus: 29618 - Flux CMS 'loadsave.php' Arbitrary File Overwrite Vulnerability

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

Entryinfo

Created: 03/16/2015 17:00
Updated: 10/27/2024 23:06
Changes: 03/16/2015 17:00 (56), 11/14/2017 13:58 (6), 10/27/2024 23:06 (17)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.