VDB-124372 · CVE-2018-16821 · GCVE-0-2018-16821

SeaCMS 6.64 admin_template.php path Directory unrestricted upload

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in SeaCMS 6.64. The affected element is an unknown function of the file upload/admin/admin_template.php. Executing a manipulation of the argument path can lead to unrestricted upload (Directory). This vulnerability is tracked as CVE-2018-16821. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in SeaCMS 6.64. This vulnerability affects an unknown part of the file upload/admin/admin_template.php. The manipulation of the argument path with an unknown input leads to a unrestricted upload vulnerability (Directory). The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

SeaCMS 6.64 allows arbitrary directory listing via upload/admin/admin_template.php?path=../templets/../../ requests.

The weakness was disclosed 09/21/2018 (Website). The advisory is shared for download at blog.51cto.com. This vulnerability was named CVE-2018-16821 since 09/10/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

By approaching the search of inurl:upload/admin/admin_template.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.

The entry VDB-124373 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Content Management System

Name

SeaCMS

Version

6.64

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Directory
Class: Unrestricted upload / Directory
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/10/2018 🔍
09/21/2018 +11 days 🔍
09/21/2018 +0 days 🔍
09/22/2018 +1 days 🔍
09/22/2018 +0 days 🔍

Sourcesinfo

Advisory: blog.51cto.com
Status: Not defined

CVE: CVE-2018-16821 (🔍)
GCVE (CVE): GCVE-0-2018-16821
GCVE (VulDB): GCVE-100-124372
See also: 🔍

Entryinfo

Created: 09/22/2018 07:48
Updated: 09/22/2018 08:38
Changes: 09/22/2018 07:48 (39), 09/22/2018 08:38 (18)
Complete: 🔍
Cache ID: 216::103