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CVE-2018-11756

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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from apache, from php organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-07-23T17:29:00.243

Last Modified

2024-11-21T03:43:57.927

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	openwhisk	< 1.0.1	Yes
Application	php	php	7.2.0	No
Application	apache	openwhisk	< 1.0.2	Yes
Application	php	php	7.1.0	No

References

http://www.securityfocus.com/bid/104915 Third Party Advisory, VDB Entry ([email protected])
https://github.com/apache/incubator-openwhisk-runtime-php/commit/6caf902f527250ee4b7b695929b628d560e0dad1 Patch, Third Party Advisory ([email protected])
https://lists.apache.org/thread.html/439bd5ff5822708c645a0d816ed9914b88c97eda32eae6ea211bc0dc%40%3Cdev.openwhisk.apache.org%3E ([email protected])
https://www.puresec.io/hubfs/Apache%20OpenWhisk%20PureSec%20Security%20Advisory.pdf Mitigation, Technical Description, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/104915 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/apache/incubator-openwhisk-runtime-php/commit/6caf902f527250ee4b7b695929b628d560e0dad1 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/439bd5ff5822708c645a0d816ed9914b88c97eda32eae6ea211bc0dc%40%3Cdev.openwhisk.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.