VDB-139216 · CVE-2018-20909 · GCVE-0-2018-20909

cPanel up to 70.0.22 Incremental Backup 7pk security

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in cPanel up to 70.0.22. Affected by this vulnerability is an unknown functionality of the component Incremental Backup Handler. Executing a manipulation can lead to 7pk security. This vulnerability is handled as CVE-2018-20909. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in cPanel up to 70.0.22 (Hosting Control Software) and classified as critical. This vulnerability affects an unknown function of the component Incremental Backup Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

cPanel before 70.0.23 allows arbitrary file-chmod operations during legacy incremental backups (SEC-338).

The weakness was released 08/01/2019 (Website). The advisory is shared for download at documentation.cpanel.net. This vulnerability was named CVE-2018-20909 since 07/31/2019. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

Upgrading to version 70.0.23 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-139217, VDB-139218, VDB-139219 and VDB-139220. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 6.2
VulDB Meta Temp Score: 6.1

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

NVD Base Score: 7.1
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: 7pk security
CWE: CWE-254
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 70.0.23

Timelineinfo

07/31/2019 🔍
08/01/2019 +1 days 🔍
08/02/2019 +1 days 🔍
07/18/2020 +351 days 🔍

Sourcesinfo

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

CVE: CVE-2018-20909 (🔍)
GCVE (CVE): GCVE-0-2018-20909
GCVE (VulDB): GCVE-100-139216
See also: 🔍

Entryinfo

Created: 08/02/2019 11:42
Updated: 07/18/2020 09:15
Changes: 08/02/2019 11:42 (57), 07/18/2020 09:15 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.