QNAP NVR/NAS /cgi.cgi pp memory corruption

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-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in QNAP NVR and NAS. The impacted element is an unknown function of the file /cgi.cgi. The manipulation of the argument pp results in memory corruption. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in QNAP NVR and NAS (Network Attached Storage Software) (version unknown). Affected is an unknown function of the file /cgi.cgi. The manipulation of the argument pp with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 01/31/2017 as QNAP NVR/NAS Heap / Stack / Heap Feng Shui overflow, and "Heack Combo" to pwn as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. It is possible to launch the attack remotely. Technical details and a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 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 entries VDB-96640 and VDB-96641 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/29/2017 🔍
01/31/2017 +2 days 🔍
01/31/2017 +0 days 🔍
02/08/2017 +8 days 🔍
08/11/2020 +1280 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: QNAP NVR/NAS Heap / Stack / Heap Feng Shui overflow, and "Heack Combo" to pwn
Status: Not defined

GCVE (VulDB): GCVE-100-96642
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/08/2017 10:45
Updated: 08/11/2020 18:53
Changes: 02/08/2017 10:45 (45), 08/11/2020 18:53 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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