<p>Upgrade <code>Alpine:3.20</code> <code>curl</code> to version 8.3.0-r0 or higher.</p>

Allocation of Resources Without Limits or Throttling Affecting curl package, versions <8.3.0-r0

Threat Intelligence

1.73% (89^th percentile)

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Snyk ID SNYK-ALPINE320-CURL-7008746
published 23 May 2024
disclosed 15 Sep 2023

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Introduced: 15 Sep 2023

CVE-2023-38039 Open this link in a new tab CWE-770 Open this link in a new tab

How to fix?

Upgrade Alpine:3.20 curl to version 8.3.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream curl package and not the curl package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API.

However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of headers and eventually cause curl to run out of heap memory.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Network
Attack Complexity (AC)

Low
Privileges Required (PR)

None
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High

Allocation of Resources Without Limits or Throttling Affecting curl package, versions <8.3.0-r0

Severity

Snyk's Security Team recommends NVD's CVSS assessment