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CVE-2018-7166

Status Candidate

Overview

In all versions of Node.js 10 prior to 10.9.0, an argument processing flaw can cause `Buffer.alloc()` to return uninitialized memory. This method is intended to be safe and only return initialized, or cleared, memory. The third argument specifying `encoding` can be passed as a number, this is misinterpreted by `Buffer's` internal "fill" method as the `start` to a fill operation. This flaw may be abused where `Buffer.alloc()` arguments are derived from user input to return uncleared memory blocks that may contain sensitive information.

Related Files

Red Hat Security Advisory 2018-2553-01
Posted Aug 22, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2553-01 - Red Hat Openshift Application Runtimes provides an application platform that reduces the complexity of developing and operating applications for OpenShift as a containerized platform. This release of RHOAR Node.js 10.9.0 serves as a replacement for RHOAR Node.js 10.8.0, and includes bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2018-0732, CVE-2018-12115, CVE-2018-7166
SHA-256 | b2e1f7f884bc63411636143ea5efb588a6b120655fcfc7e5f71305f1dfe4a133
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