Resource Exhaustion Affecting container-tools:4.0/skopeo package, versions <2:1.6.2-9.module+el8.9.0+21242+944321bb


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-RHEL8-CONTAINERTOOLS-6104360
  • published7 Dec 2023
  • disclosed6 Dec 2023

Introduced: 6 Dec 2023

CVE-2023-39326  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 container-tools:4.0/skopeo to version 2:1.6.2-9.module+el8.9.0+21242+944321bb or higher.
This issue was patched in RHSA-2024:0748.

NVD Description

Note: Versions mentioned in the description apply only to the upstream container-tools:4.0/skopeo package and not the container-tools:4.0/skopeo package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large amount of data (up to about 1GiB) when a handler fails to read the entire body of a request. Chunk extensions are a little-used HTTP feature which permit including additional metadata in a request or response body sent using the chunked encoding. The net/http chunked encoding reader discards this metadata. A sender can exploit this by inserting a large metadata segment with each byte transferred. The chunk reader now produces an error if the ratio of real body to encoded bytes grows too small.

CVSS Scores

version 3.1