VDB-177981 · MVID-2021-0277 · GCVE-100-177981

Backdoor.Win32.Zombam.l HTML Web UI command injection

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Backdoor.Win32.Zombam.l. Affected by this issue is some unknown functionality of the component HTML Web UI. Performing a manipulation results in command injection. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability was found in Backdoor.Win32.Zombam.l (Remote Access Software) (version now known). It has been classified as critical. This affects some unknown processing of the component HTML Web UI. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 07/06/2021 as MVID-2021-0277. The advisory is shared at malvuln.com. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is shared for download at malvuln.com. It is declared as proof-of-concept.

It is possible to mitigate the weakness by firewalling .

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Productinfo

Type

Remote Access Software

Name

Backdoor.Win32.Zombam.l

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/06/2021 🔍
07/06/2021 +0 days 🔍
07/06/2021 +0 days 🔍

Sourcesinfo

Advisory: MVID-2021-0277
Status: Not defined

GCVE (VulDB): GCVE-100-177981
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/06/2021 07:53
Changes: 07/06/2021 07:53 (39)
Complete: 🔍
Submitter: malvuln
Cache ID: 216::103

Submitinfo

Accepted

Submit #15816: Backdoor.Win32.Zombam.l / Unauthenticated URL Command Injection (by malvuln)