PHProxy up to 0.5b2 Hotlinking Prevention privileges management

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 (≈)
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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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in PHProxy up to 0.5b2. It has been classified as critical. Affected by this issue is some unknown functionality of the component Hotlinking Prevention. This manipulation causes privileges management. The attack is possible to be carried out remotely. Moreover, an exploit is present. The affected component should be disabled.

Detailsinfo

A vulnerability has been found in PHProxy up to 0.5b2 (Firewall Software) and classified as critical. Affected by this vulnerability is an unknown code block of the component Hotlinking Prevention. 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 confidentiality, integrity, and availability.

The weakness was disclosed 01/09/2017 by Celso Bento as Hotlinking Vulnerability in PHProxy 0.5b2 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. The attack can be launched remotely. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed by Celso Bento and been published immediately after the advisory. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept.

The best possible mitigation is suggested to be disabling the affected component.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Celso Bento
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

12/20/2016 🔍
01/09/2017 +20 days 🔍
01/09/2017 +0 days 🔍
07/18/2020 +1286 days 🔍

Sourcesinfo

Advisory: Hotlinking Vulnerability in PHProxy 0.5b2
Researcher: Celso Bento
Status: Not defined

GCVE (VulDB): GCVE-100-95107
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/20/2016 10:19
Updated: 07/18/2020 16:09
Changes: 12/20/2016 10:19 (45), 07/18/2020 16:09 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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