要点
- CVE-2020-26229 は typo3/cms, typo3/cms-core, typo3 (typo3) に影響する深刻度「低」 (CVSS 3.7) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.64%（全脆弱性の 50.9% より高い）。
- 対処：10.4.10 以降に更新してください。
| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|
| typo3/cms Packagist | ≥ 10.0.0, < 10.4.10
| 10.4.10
|
| typo3/cms-core Packagist | ≥ 10.0.0, < 10.4.10
| 10.4.10
|
| typo3 | ≥ 10.0.0, < 10.4.10
| 10.4.10
|
概要
Problem
It has been discovered that RSS widgets are susceptible to XML external entity processing.
This vulnerability is reasonable, but is theoretical - it was not possible to actually reproduce the vulnerability with current PHP versions of supported and maintained system distributions.
At least with libxml2 version 2.9, the processing of XML external entities is disabled per default - and cannot be exploited. Besides that, a valid backend user account is needed.
Solution
Update to TYPO3 version 10.4.10 that fixes the problem described.
NVD の説明
TYPO3 is an open source PHP based web content management system. In TYPO3 from version 10.4.0, and before version 10.4.10, RSS widgets are susceptible to XML external entity processing. This vulnerability is reasonable, but is theoretical - it was not possible to actually reproduce the vulnerability with current PHP versions of supported and maintained system distributions. At least with libxml2 version 2.9, the processing of XML external entities is disabled per default - and cannot be exploited. Besides that, a valid backend user account is needed. Update to TYPO3 version 10.4.10 to fix the problem described.
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