Synology Photo Station up to 6.3/6.7.3 File Upload PixlrEditorHandler.php Type unrestricted upload

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Synology Photo Station up to 6.3/6.7.3. This affects an unknown part of the file PixlrEditorHandler.php of the component File Upload. Performing a manipulation of the argument Type as part of Parameter results in unrestricted upload. This vulnerability is reported as CVE-2017-11154. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Synology Photo Station up to 6.3/6.7.3 (Network Attached Storage Software). This affects an unknown code of the file PixlrEditorHandler.php of the component File Upload. The manipulation of the argument type as part of a Parameter leads to a unrestricted upload vulnerability. CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unrestricted file upload vulnerability in PixlrEditorHandler.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to create arbitrary PHP scripts via the type parameter.

The bug was discovered 08/07/2017. The weakness was disclosed 08/08/2017 (Website). The advisory is shared at synology.com. This vulnerability is uniquely identified as CVE-2017-11154 since 07/10/2017. It is possible to initiate the attack remotely. A authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

A public exploit has been developed by Kacper Szurek and been published immediately after the advisory. The exploit is shared for download 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:PixlrEditorHandler.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 6.3-2967 or 6.7.3-3432 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42434). The entries VDB-104994, VDB-104995, VDB-104996 and VDB-104998 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Network Attached Storage Software

Vendor

Synology

Name

Photo Station

Version

License

commercial

Website

Vendor: https://www.synology.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.7
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 801872
OpenVAS Name: Synology Photo Station Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Photo Station 6.3-2967/6.7.3-3432

Timelineinfo

07/10/2017 🔍
08/07/2017 +28 days 🔍
08/08/2017 +1 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/08/2017 +0 days 🔍
08/09/2017 +1 days 🔍
06/23/2024 +2510 days 🔍