CVE-2023-33950
First published: Wed May 24 2023(Updated: )
Pattern Redirects in Liferay Portal 7.4.3.48 through 7.4.3.76, and Liferay DXP 7.4 update 48 through 76 allows regular expressions that are vulnerable to ReDoS attacks to be used as patterns, which allows remote attackers to consume an excessive amount of server resources via crafted request URLs.
Credit: security@liferay.com security@liferay.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Liferay Digital Experience Platform | =7.4-update48 | |
| Liferay Digital Experience Platform | =7.4-update76 | |
| Liferay Liferay Portal | >=7.4.3.48<=7.4.3.76 | |
| maven/com.liferay.portal:release.portal.bom | >=7.4.3.48<7.4.3.77 | 7.4.3.77 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-33950?
CVE-2023-33950 is a vulnerability that allows remote attackers to consume an excessive amount of server resources in Liferay Portal 7.4.3.48 through 7.4.3.76 and Liferay DXP 7.4 update 48 through 76 using crafted request URLs.
How can this vulnerability be exploited?
This vulnerability can be exploited by sending crafted request URLs with regular expressions that are vulnerable to ReDoS attacks, causing the server to consume an excessive amount of resources.
What is the severity of CVE-2023-33950?
CVE-2023-33950 has a severity value of 7, which is considered high.
Which versions of Liferay Portal and Liferay DXP are affected by CVE-2023-33950?
Liferay Portal versions 7.4.3.48 through 7.4.3.76 and Liferay DXP versions 7.4 update 48 through 76 are affected by CVE-2023-33950.
How can I fix CVE-2023-33950?
To fix CVE-2023-33950, upgrade to Liferay Portal version 7.4.3.77 or higher and Liferay DXP version 7.4 update 77 or higher.
- collector/nvd-latest
- collector/nvd-index
- collector/nvd-cve
- collector/github-advisory-latest
- alias/GHSA-chrc-q6v3-jfv8
- alias/CVE-2023-33950
- collector/github-advisory
- agent/author
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- vendor/liferay
- canonical/liferay digital experience platform
- version/liferay digital experience platform/7.4-update48
- version/liferay digital experience platform/7.4-update76
- canonical/liferay liferay portal
- version/liferay liferay portal/7.4.3.48
- version/liferay liferay portal/7.4.3.76
- package-manager/maven