DeDeCMS 5.7SP2 uploads/ unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in DeDeCMS 5.7SP2. This issue affects some unknown processing of the file uploads/. Such manipulation leads to unrestricted upload. This vulnerability is documented as CVE-2019-8933. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in DeDeCMS 5.7SP2 (Content Management System) and classified as critical. Affected by this issue is an unknown part of the file uploads/. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In DedeCMS 5.7SP2, attackers can upload a .php file to the uploads/ directory (without being blocked by the Web Application Firewall), and then execute this file, via this sequence of steps: visiting the management page, clicking on the template, clicking on Default Template Management, clicking on New Template, and modifying the filename from ../index.html to ../index.php.

The bug was discovered 01/28/2019. The weakness was released 02/19/2019. This vulnerability is handled as CVE-2019-8933 since 02/18/2019. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k.

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

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

01/28/2019 🔍
02/18/2019 +21 days 🔍
02/19/2019 +1 days 🔍
02/20/2019 +1 days 🔍
07/11/2023 +1602 days 🔍

Sourcesinfo

Advisory: blog.csdn.net
Status: Not defined

CVE: CVE-2019-8933 (🔍)
GCVE (CVE): GCVE-0-2019-8933
GCVE (VulDB): GCVE-100-131036

Entryinfo

Created: 02/20/2019 10:01
Updated: 07/11/2023 14:30
Changes: 02/20/2019 10:01 (53), 05/11/2020 16:18 (1), 07/11/2023 14:30 (3)
Complete: 🔍
Cache ID: 216::103

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