csaf_redhat - rhsa-2024

rhsa-2024_1149

Vulnerability from csaf_redhat

Published

2024-03-05 18:17

Modified

2024-12-17 22:35

Summary

Red Hat Security Advisory: skopeo security update

Notes

Topic

An update for skopeo is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. Security Fix(es): * golang: net/http/internal: Denial of Service (DoS) via Resource Consumption via HTTP requests (CVE-2023-39326) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

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  "vulnerabilities": [
    {
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      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2023-12-06T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2253330"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Golang net/http/internal package. This issue may allow a malicious user to send an HTTP request and cause the receiver to read more bytes from network than are in the body (up to 1GiB), causing the receiver to fail reading the response, possibly leading to a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: net/http/internal: Denial of Service (DoS) via Resource Consumption via HTTP requests",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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      ],
      "product_status": {
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-39326"
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          "date": "2024-03-05T18:17:11+00:00",
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            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: net/http/internal: Denial of Service (DoS) via Resource Consumption via HTTP requests"
    }
  ]
}

cve-2023-39326

Vulnerability from cvelistv5

Published

2023-12-06 16:27

Modified

2024-08-02 18:02

Severity ?

Summary

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.

References

▼	URL	Tags
	https://go.dev/issue/64433
	https://go.dev/cl/547335
	https://groups.google.com/g/golang-dev/c/6ypN5EjibjM/m/KmLVYH_uAgAJ
	https://pkg.go.dev/vuln/GO-2023-2382
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UIU6HOGV6RRIKWM57LOXQA75BGZSIH6G/

Impacted products

Vendor

Product

Version

▼

Go standard library

net/http/internal

Version: 0 ≤
Version: 1.21.0-0 ≤

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
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          {
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        ],
        "title": "CVE Program Container"
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    "cna": {
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          "packageName": "net/http/internal",
          "product": "net/http/internal",
          "programRoutines": [
            {
              "name": "chunkedReader.beginChunk"
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            {
              "name": "readChunkLine"
            },
            {
              "name": "chunkedReader.Read"
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          "vendor": "Go standard library",
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      "title": "Denial of service via chunk extensions in net/http"
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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