Backdoor.Win32.Zombam.a HTTP GET Request buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Backdoor.Win32.Zombam.a and classified as critical. This issue affects some unknown processing of the component HTTP GET Request Handler. The manipulation results in buffer overflow. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Backdoor.Win32.Zombam.a (Remote Access Software) (the affected version is unknown). Affected is an unknown code of the component HTTP GET Request Handler. 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 released 01/11/2021 as MVID-2021-0022. The advisory is shared for download at malvuln.com. Technical details are unknown but a public exploit is available.

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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/11/2021 🔍
01/11/2021 +0 days 🔍
01/11/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0022
Status: Not defined

GCVE (VulDB): GCVE-100-167556
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/11/2021 18:34
Changes: 01/11/2021 18:34 (38)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #5509: BACKDOOR.WIN32.ZOMBAM.A / Remote Stack Buffer Overflow (by malvuln)

Once again VulDB remains the best source for vulnerability data.

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