Portal: Improper Restriction of XML External Entity Reference
CVE-2024-25606 is a high-severity improper restriction of XML external entity reference vulnerability in Portal from Liferay, with a CVSS 3.1 base score of 8.7 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected Portal versions: 7.2.0 through 7.4.3.7. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.5% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Digital Experience Platform to 7.2 or a later version.
- Update Liferay Portal to 7.4.3.8 or a later version.
- Read the advisory on liferay.dev for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Liferay | Portal | 7.2.0 through 7.4.3.7 | Not stated |
| Liferay | DXP | 7.4.13 through 7.4.13.u3; 7.3.10 through 7.3.10.u11; 7.2.10 through 7.2.10-dxp-19 | Not stated |
| Liferay | Digital Experience Platform | before 7.2; 7.2; 7.3; 7.4 | 7.2 |
| Liferay | Liferay Portal | before 7.4.3.8 | 7.4.3.8 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.0 | High | CNA (liferay.com) |
| CVSS 3.1 | 8.7 | High | NVD |
Official description
XXE vulnerability in Liferay Portal 7.2.0 through 7.4.3.7, and older unsupported versions, and Liferay DXP 7.4 before update 4, 7.3 before update 12, 7.2 before fix pack 20, and older unsupported versions allows attackers with permission to deploy widgets/portlets/extensions to obtain sensitive information or consume system resources via the Java2WsddTask._format method.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Restriction of XML External Entity Reference
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
How developers prevent this class of flaw
- Many XML parsers and validators can be configured to disable external entity expansion.
More Improper Restriction of XML External Entity Reference vulnerabilities (CWE-611)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Other vulnerabilities in Portal
- 7.5 High severity
- 7.5 High severity
Recent Improper Restriction of XML External Entity Reference vulnerabilities
- 8.3 High severity
- 7.5 High severity
- 7.1 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
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