Allen Disk 1.6 Captcha reg.php $_SESSION['captcha']['code'] input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Allen Disk 1.6. This affects an unknown function of the file reg.php of the component Captcha. Such manipulation of the argument $_SESSION['captcha']['code'] with the input 1 leads to input validation. This vulnerability is documented as CVE-2017-9090. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Allen Disk 1.6 and classified as critical. Affected by this issue is some unknown functionality of the file reg.php of the component Captcha. The manipulation of the argument $_SESSION['captcha']['code'] with the input value 1 leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

reg.php in Allen Disk 1.6 doesn't check if isset($_SESSION['captcha']['code'])==1, which makes it possible to bypass the CAPTCHA via an empty $_POST['captcha'].

The bug was discovered 05/19/2017. The weakness was released 05/19/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-9090 since 05/19/2017. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

By approaching the search of inurl:reg.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-101517. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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

05/19/2017 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/19/2017 +0 days 🔍
05/20/2017 +1 days 🔍
12/06/2022 +2026 days 🔍

Sourcesinfo

Advisory: 25
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9090 (🔍)
GCVE (CVE): GCVE-0-2017-9090
GCVE (VulDB): GCVE-100-101516
OSVDB: - CVE-2017-9090 - Allendisk Project - Allendisk - Medium

See also: 🔍

Entryinfo

Created: 05/20/2017 20:56
Updated: 12/06/2022 17:53
Changes: 05/20/2017 20:56 (59), 09/30/2020 15:05 (3), 12/06/2022 17:53 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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