CVE-2023-2253

Description

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.

Categories

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Third-Party Advisory redhat.com
Affected: n/a distribution/distribution
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2189886 third party advisory issue tracking
https://lists.debian.org/debian-lts-announce/2023/06/msg00035.html mailing list

Frequently Asked Questions

What is the severity of CVE-2023-2253?
CVE-2023-2253 has been scored as a medium severity vulnerability.
How to fix CVE-2023-2253?
To fix CVE-2023-2253, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-2253 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-2253 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-2253?
CVE-2023-2253 affects n/a distribution/distribution.
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