VDB-103149 · CVE-2017-8803 · OpenVAS 800321

Notepad++ 7.3.3 on 32-bit Hex Editor Plugin 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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Notepad++ 7.3.3 on 32-bit. This affects an unknown part of the component Hex Editor Plugin. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2017-8803. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Notepad++ 7.3.3 on 32-bit (Document Reader Software). This affects an unknown code of the component Hex Editor Plugin. The manipulation 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 summary by CVE is:

Notepad++ 7.3.3 (32-bit) with Hex Editor Plugin v0.9.5 might allow user-assisted attackers to execute code via a crafted file, because of a "Data from Faulting Address controls Code Flow" issue. One threat model is a victim who obtains an untrusted crafted file from a remote location and issues several user-defined commands.

The bug was discovered 07/05/2017. The weakness was shared 07/05/2017 (Website). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-8803 since 05/05/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Type

Document Reader Software

Name

Notepad++

Version

7.3.3

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 800321
OpenVAS Name: Notepad++ Hex Editor Plugin Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/05/2017 🔍
07/05/2017 +61 days 🔍
07/05/2017 +0 days 🔍
07/05/2017 +0 days 🔍
07/06/2017 +1 days 🔍
10/22/2019 +838 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-8803 (🔍)
GCVE (CVE): GCVE-0-2017-8803
GCVE (VulDB): GCVE-100-103149

Entryinfo

Created: 07/06/2017 11:02
Updated: 10/22/2019 20:15
Changes: 07/06/2017 11:02 (61), 10/22/2019 20:15 (1)
Complete: 🔍
Cache ID: 216::103