magento-lts: Loop with Unreachable Exit Condition
CVE-2023-23617 is a high-severity loop with unreachable exit condition vulnerability in magento-lts from OpenMage, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected magento-lts versions: < 19.4.22; >= 20.0.0, < 20.0.19. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 1.03% chance of exploitation within 30 days, higher than 64% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Magento to 19.4.22 or 20.0.19, whichever matches your release line, or a later version.
- Read the advisory on github.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| OpenMage | magento-lts | < 19.4.22; >= 20.0.0, < 20.0.19 | Not stated |
| Openmage | Magento | before 19.4.22; 20.0.0 up to, but not including, 20.0.19 | 19.4.22, 20.0.19 |
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
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 4.9 | Medium | CNA (github.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
OpenMage LTS is an e-commerce platform. Versions prior to 19.4.22 and 20.0.19 contain an infinite loop in malicious code filter in certain conditions. Versions 19.4.22 and 20.0.19 have a fix for this issue. There are no known workarounds.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Loop with Unreachable Exit Condition
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
More Loop with Unreachable Exit Condition vulnerabilities (CWE-835)
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
- github.com/OpenMage/magento-lts/security/advisories/GHSA-3p73-mm7v-4f6mThird Party Advisory
Patches and release notes
- github.com/OpenMage/magento-lts/commit/494027785bdb7db53e60c11ef03c144b61cd3172Third Party Advisory
- github.com/OpenMage/magento-lts/releases/tag/v19.4.22Release Notes, Third Party Advisory
- github.com/OpenMage/magento-lts/releases/tag/v20.0.19Release Notes, Third Party Advisory
Other vulnerabilities in magento-lts
- 9.0 Critical severity
- 8.1 High severity
- 8.1 High severity
- 7.7 High severity
- 8.0 High severity
- 7.5 High severity
Recent Loop with Unreachable Exit Condition vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
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