ZeroShell 3.6.0/3.7.0 Net Services /cgi-bin/kerbynet User privileges management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in ZeroShell 3.6.0/3.7.0. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/kerbynet of the component Net Services. Performing a manipulation of the argument User with the input %27%26cat%20/etc/passwd%26%27 results in privileges management. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, was found in ZeroShell 3.6.0/3.7.0. This affects an unknown function of the file /cgi-bin/kerbynet of the component Net Services. The manipulation of the argument User with the input value %27%26cat%20/etc/passwd%26%27 leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/13/2017 by Ozer Goker as EDB-ID 41040 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed by Ozer Goker and been published immediately after the advisory. The exploit is shared for download at exploit-db.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.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41040). See VDB-95404 and VDB-95405 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/13/2017 🔍
01/13/2017 +0 days 🔍
01/13/2017 +0 days 🔍
01/17/2017 +4 days 🔍
07/23/2020 +1283 days 🔍

Sourcesinfo

Advisory: EDB-ID 41040
Researcher: Ozer Goker
Status: Not defined

GCVE (VulDB): GCVE-100-95403
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 01/17/2017 13:32
Updated: 07/23/2020 15:32
Changes: 01/17/2017 13:32 (47), 07/23/2020 15:32 (2)
Complete: 🔍
Cache ID: 216::103

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

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