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.
Published 2023-06-06 20:15:12
Updated 2023-06-29 16:15:10
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Exploit prediction scoring system (EPSS) score for CVE-2023-2253

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-2253

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.8
3.6
NIST

CWE ids for CVE-2023-2253

  • The behavior of this function is undefined unless its control parameter is set to a specific value.
    Assigned by: secalert@redhat.com (Secondary)
  • The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-2253

Products affected by CVE-2023-2253

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