Backdoor.Win32.Infexor.b HTTP Service Port 13 kernel32.dll.exe 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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Backdoor.Win32.Infexor.b. It has been declared as critical. This affects an unknown function in the library C:\Windows\SysWOW64\kernel32.dll.exe of the component HTTP Service Port 13. The manipulation results in buffer overflow. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Backdoor.Win32.Infexor.b (Remote Access Software) (version now known). It has been classified as critical. Affected is some unknown processing in the library C:\Windows\SysWOW64\kernel32.dll.exe of the component HTTP Service Port 13. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/03/2021 as MVID-2021-0010. The advisory is shared for download at malvuln.com. Technical details and a public exploit are known.

The exploit is shared for download at malvuln.com. 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

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: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2021 🔍
01/03/2021 +0 days 🔍
01/03/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0010
Status: Not defined

GCVE (VulDB): GCVE-100-167208
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/03/2021 08:56
Changes: 01/03/2021 08:56 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #5025: Backdoor.Win32.Infexor.b / Remote Buffer Overflow (by malvuln)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!