jpress: Improper Handling of Windows ::DATA Alternate Data Stream
CVE-2024-43033 is a high-severity improper handling of windows ::DATA alternate data stream vulnerability in jpress, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected jpress versions: 5.1.1 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.98% chance of exploitation within 30 days, higher than 63% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of jpress you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on github.com for workarounds and exact fixed builds.
Affected products and versions
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
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CISA (ADP).
Official description
JPress through 5.1.1 on Windows has an arbitrary file upload vulnerability that could cause arbitrary code execution via ::$DATA to AttachmentController, such as a .jsp::$DATA file to io.jpress.web.commons.controller.AttachmentController#upload. NOTE: this is unrelated to the attack vector for CVE-2024-32358.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Handling of Windows ::DATA Alternate Data Stream
The product does not properly prevent access to, or detect usage of, alternate data streams (ADS).
How developers prevent this class of flaw
- Ensure that the source code correctly parses the filename to read or write to the correct stream.
More Improper Handling of Windows ::DATA Alternate Data Stream vulnerabilities (CWE-69)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
- github.com/JPressProjects/jpress/issues/188Exploit, Issue Tracking
Technical write-ups (may include proof of concept)
- github.com/lazy-forever/CVE-Reference/tree/main/2024/43033Exploit, Third Party Advisory
Other references
- cwe.mitre.org/data/definitions/69.htmlNot Applicable
Other vulnerabilities in jpress
- 9.8 Critical severity
- 7.5 High severity
- 7.5 High severity
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