VDB-172595 · CVE-2020-13432 · MVID-2021-0160

Trojan.Win32.Sharer.h HFS HTTP File Server buffer overflow

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.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Trojan.Win32.Sharer.h and classified as critical. Impacted is an unknown function of the component HFS HTTP File Server. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2020-13432. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Trojan.Win32.Sharer.h (the affected version unknown). This issue affects an unknown part of the component HFS HTTP File Server. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was published 04/08/2021 as MVID-2021-0160. It is possible to read the advisory at malvuln.com. The identification of this vulnerability is CVE-2020-13432. Technical details are unknown but a public exploit is available.

The exploit is available at malvuln.com. It is declared as proof-of-concept.

Addressing this vulnerability is possible by firewalling .

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

Productinfo

Name

Trojan.Win32.Sharer.h

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/24/2020 🔍
04/08/2021 +319 days 🔍
04/08/2021 +0 days 🔍
04/11/2021 +3 days 🔍

Sourcesinfo

Advisory: MVID-2021-0160
Status: Confirmed

CVE: CVE-2020-13432 (🔍)
GCVE (CVE): GCVE-0-2020-13432
GCVE (VulDB): GCVE-100-172595
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2021 07:55
Updated: 04/11/2021 16:04
Changes: 04/08/2021 07:55 (39), 04/11/2021 15:59 (2), 04/11/2021 16:04 (18)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #10639: TROJAN.WIN32.SHARER.H / Known Vulnerable Component - Heap Corruption (by malvuln)