Anka Build: Improper Ownership Management
CVE-2024-39755 is a high-severity improper ownership management vulnerability in Anka Build from Veertu, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Anka Build versions: 1.42.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.36% 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
- Check which version of Anka Build you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Veertu | Anka Build | 1.42.0 | Not stated |
| Veertu | Anka Build Cloud | 1.42.0 | Not stated |
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
- LocalThe attacker needs local access or must trick a user into running something.
- 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (cisco.com).
Official description
A privilege escalation vulnerability exists in the node update functionality of Veertu Anka Build 1.42.0. A specially crafted PKG file can lead to execute priviledged operation. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Ownership Management
The product assigns the wrong ownership, or does not properly verify the ownership, of an object or resource.
How developers prevent this class of flaw
- Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
More Improper Ownership Management vulnerabilities (CWE-282)
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
Technical write-ups (may include proof of concept)
- talosintelligence.com/vulnerability_reports/TALOS-2024-2060Exploit, Third Party Advisory
- talosintelligence.com/vulnerability_reports/TALOS-2024-2060Exploit, Third Party Advisory
Other vulnerabilities in Anka Build
- 7.5 High severity
- 7.5 High severity
Recent Improper Ownership Management vulnerabilities
- 8.8 High severity
- 7.8 High severity
- 9.1 Critical severity
- 7.8 High severity
Spotted an error? Tell us.