Backdoor.Win32.Agent.xw HTTP GET Request null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in Backdoor.Win32.Agent.xw (Remote Access Software) (the affected version is unknown). Affected by this issue is an unknown code of the component HTTP GET Request Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability.

The weakness was released 02/26/2021 as MVID-2021-0107. The advisory is available at malvuln.com. 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 .

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
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: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

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: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/26/2021 🔍
02/26/2021 +0 days 🔍
02/26/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0107
Status: Not defined
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/26/2021 08:17
Changes: 02/26/2021 08:17 (39)
Complete: 🔍
Submitter: malvuln

Submitinfo

Accepted

  • Submit #8386: BACKDOOR.WIN32.AGENT.XW / Remote Null Ptr Dereference - Denial of Service (by malvuln)

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