Cente IPv6: Out-of-bounds Read
CVE-2024-23911 is a high-severity out-of-bounds read vulnerability in Cente IPv6 from DMG MORI Digital Co., LTD. and NEXT, 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 Cente IPv6 versions: Ver.1.51 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 0.61% 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 Cente IPv6 you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on cente.jp 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 |
|---|---|---|---|
| DMG MORI Digital Co., LTD. and NEXT | Cente IPv6 | Ver.1.51 and earlier | Not stated |
| DMG MORI Digital Co., LTD. and NEXT | Cente IPv6 SNMPv2 | Ver.2.30 and earlier | Not stated |
| DMG MORI Digital Co., LTD. and NEXT | Cente IPv6 SNMPv3 | Ver.2.30 and earlier | Not stated |
| Cente | ipv6 | 1.51 and earlier | Not stated |
| Cente | ipv6_snmpv2 | 2.30 and earlier | Not stated |
| Cente | ipv6_snmpv3 | 2.30 and earlier | 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
- 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 CISA (ADP).
Official description
Out-of-bounds read vulnerability caused by improper checking of the option length values in IPv6 NDP packets exists in Cente middleware TCP/IP Network Series, which may allow an unauthenticated attacker to stop the device operations by sending a specially crafted packet.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Third-party and government advisories
- jvn.jp/en/vu/JVNVU94016877/Third Party Advisory
Recent Out-of-bounds Read vulnerabilities
- 7.8 High severity
- 7.8 High severity
- 8.4 High severity
- 7.8 High severity
- 9.1 Critical severity
- 9.8 Critical severity
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