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CVE-2023-2253

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Date: June 6, 2023

A flaw was found in the `/v2/_catalog` endpoint in distribution/distribution, which accepts a parameter to control the maximum number of records returned (query string: `n`). This vulnerability allows a malicious user to submit an unreasonably large value for `n,` causing the allocation of a massive string array, possibly causing a denial of service through excessive use of memory.

Language: Go

Severity Score

Related Resources (8)

https://bugzilla.redhat.com/show_bug.cgi?id=2189886
https://github.com/advisories/GHSA-hqxw-f8mx-cpmw
https://github.com/distribution/distribution/commit/f55a6552b006a381d9167e328808565dd2bf77dc
https://security-tracker.debian.org/tracker/CVE-2023-2253
https://nvd.nist.gov/vuln/detail/CVE-2023-2253
https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html
https://github.com/distribution/distribution/security/advisories/GHSA-hqxw-f8mx-cpmw
https://www.mend.io/vulnerability-database/CVE-2023-2253

Severity Score

Weakness Type (CWE)

Allocation of Resources Without Limits or Throttling

CWE-770

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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