Flux CMS up to 1.3 XML input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

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) and Exploit-DB (5767).

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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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 🔍
11/14/2017 +974 days 🔍

Sourcesinfo

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

CVE: CVE-2008-2686 (🔍)
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: 11/14/2017 13:58
Changes: 03/16/2015 17:00 (56), 11/14/2017 13:58 (6)
Complete: 🔍

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