🛡️ CVE-2021-38623 — deferred-image-processing

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-404 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Improper Resource Shutdown or Release in TYPO3 extension

Wrong usage of the TYPO3 FAL API results in copies of processed files being saved to the /var/transient/ folder of a TYPO3 website on every frontend request. This can result in Denial of Service, since the webspace may be filled up with image files simply by crafting a large amount of requests to the website.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

CVE-2021-38623 is classified as CWE-404: Improper Resource Shutdown or Release. A resource is not released correctly after use, leaving it locked, leaked or in an inconsistent state.

Affected software

CVE-2021-38623 is recorded against 1 package.

  • webcoast/deferred-image-processing (fixed in 1.0.2)

Timeline and source

Published on 30 August 2021 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Package)
typo3.org (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C
CWE CWE-404
Public Exploit ✅ No
Source OSV
Published 2021-08-30
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
webcoast/deferred-image-processing — 1.0.2

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