VDB-139327 · CVE-2017-18427 · GCVE-0-2017-18427

cPanel up to 66.0.1 File Permission permission

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in cPanel up to 66.0.1. Affected by this issue is some unknown functionality of the component File Permission. This manipulation causes permission. This vulnerability is tracked as CVE-2017-18427. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in cPanel up to 66.0.1 (Hosting Control Software). It has been declared as critical. Affected by this vulnerability is some unknown processing of the component File Permission. The manipulation with an unknown input leads to a permission vulnerability. The CWE definition for the vulnerability is CWE-275. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In cPanel before 66.0.2, weak log-file permissions can occur after account modification (SEC-289).

The weakness was disclosed 08/02/2019 (Website). It is possible to read the advisory at documentation.cpanel.net. This vulnerability is known as CVE-2017-18427 since 07/31/2019. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading to version 66.0.2 eliminates this vulnerability.

The entries VDB-139317, VDB-139318, VDB-139319 and VDB-139320 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Hosting Control Software

Name

cPanel

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
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

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cPanel 66.0.2

Timelineinfo

07/31/2019 🔍
08/02/2019 +2 days 🔍
08/03/2019 +1 days 🔍
07/18/2020 +350 days 🔍

Sourcesinfo

Advisory: documentation.cpanel.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18427 (🔍)
GCVE (CVE): GCVE-0-2017-18427
GCVE (VulDB): GCVE-100-139327
See also: 🔍

Entryinfo

Created: 08/03/2019 07:47
Updated: 07/18/2020 21:55
Changes: 08/03/2019 07:47 (57), 07/18/2020 21:55 (1)
Complete: 🔍
Cache ID: 216::103