QNAP NAS cgi.cgi p heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in QNAP NAS. Affected by this vulnerability is an unknown functionality of the file /home/httpd/cgi-bin/cgi.cgi. The manipulation of the argument p results in heap-based overflow. The attack needs to be approached locally. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in QNAP NAS (Network Attached Storage Software) (affected version not known). Affected is some unknown functionality of the file /home/httpd/cgi-bin/cgi.cgi. The manipulation of the argument p with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/31/2016 by bashis as 0-day: QNAP NAS Devices suffer of heap overflow as not defined mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. The public release happened without coordination with the vendor. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-94909 and VDB-94910 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
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: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

12/31/2016 🔍
12/31/2016 +0 days 🔍
01/02/2017 +2 days 🔍
07/13/2020 +1288 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: 0-day: QNAP NAS Devices suffer of heap overflow
Researcher: bashis
Status: Not defined

GCVE (VulDB): GCVE-100-94908
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/02/2017 21:12
Updated: 07/13/2020 16:44
Changes: 01/02/2017 21:12 (45), 07/13/2020 16:44 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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