VDB-122100 · CVE-2018-11756 · BID 104915

PHP Runtime for Apache OpenWhisk Docker Action action-php-v7.2:1.0.0 access control

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in PHP Runtime for Apache OpenWhisk. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file openwhisk/action-php-v7.2:1.0.0 of the component Docker Action Handler. The manipulation results in access control. This vulnerability is known as CVE-2018-11756. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in PHP Runtime for Apache OpenWhisk (Programming Language Software) (version now known). It has been classified as critical. Affected is some unknown processing of the file openwhisk/action-php-v7.2:1.0.0 of the component Docker Action Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In PHP Runtime for Apache OpenWhisk, a Docker action inheriting one of the Docker tags openwhisk/action-php-v7.2:1.0.0 or openwhisk/action-php-v7.1:1.0.1 (or earlier) may allow an attacker to replace the user function inside the container if the user code is vulnerable to code exploitation.

The bug was discovered 07/20/2018. The weakness was published 07/23/2018 by Ory Segal (Website). The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2018-11756 since 06/05/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 3 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104915†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Programming Language Software

Name

PHP Runtime for Apache OpenWhisk

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

06/05/2018 🔍
07/20/2018 +45 days 🔍
07/23/2018 +2 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
04/25/2023 +1737 days 🔍

Sourcesinfo

Advisory: 6caf902f527250ee4b7b695929b628d560e0dad1
Researcher: Ory Segal
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11756 (🔍)
GCVE (CVE): GCVE-0-2018-11756
GCVE (VulDB): GCVE-100-122100
SecurityFocus: 104915 - Apache OpenWhisk CVE-2018-11756 Remote Code Execution Vulnerability

Entryinfo

Created: 07/23/2018 22:11
Updated: 04/25/2023 12:48
Changes: 07/23/2018 22:11 (59), 03/09/2020 16:08 (4), 04/25/2023 12:48 (4)
Complete: 🔍
Cache ID: 216::103