JT2Go: Out-of-bounds Read
CVE-2022-45484 is a high-severity out-of-bounds read vulnerability in JT2Go from Siemens, 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 unauthenticated attacker, but only if a user takes part, for example by opening a link or file. Affected JT2Go versions: All versions < V14.1.0.6. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.23% 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 Teamcenter Visualization to 13.2.0.12 or 13.3.0.8 or 14.0.0.4 or 14.1.0.6, whichever matches your release line, or a later version.
- Read the advisory on cert-portal.siemens.com for workarounds and exact fixed builds.
- Because the attack needs a user to take part, warn users about unexpected links and files related to this product until it is patched.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Siemens | JT2Go | All versions < V14.1.0.6 | Not stated |
| Siemens | Teamcenter Visualization V13.2 | All versions < V13.2.0.12 | Not stated |
| Siemens | Teamcenter Visualization V13.3 | All versions < V13.3.0.9; All versions < V13.3.0.8 | Not stated |
| Siemens | Teamcenter Visualization V14.0 | All versions < V14.0.0.5; All versions < V14.0.0.4 | Not stated |
| Siemens | Teamcenter Visualization V14.1 | All versions < V14.1.0.6 | Not stated |
| Siemens | Teamcenter Visualization | 13.2.0 up to, but not including, 13.2.0.12; 13.3.0 up to, but not including, 13.3.0.8; 14.0 up to, but not including, 14.0.0.4; 14.1 up to, but not including, 14.1.0.6 | 13.2.0.12, 13.3.0.8, 14.0.0.4, 14.1.0.6 |
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
- NoneNo account or login is needed.
- User interaction
- RequiredA user must take an action such as opening a file or link.
- 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:N/UI:R/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 3.3 | Low | CNA (siemens.com) |
| CVSS 3.1 | 7.8 | High | NVD |
Official description
A vulnerability has been identified in JT2Go (All versions < V14.1.0.6), Teamcenter Visualization V13.2 (All versions < V13.2.0.12), Teamcenter Visualization V13.3 (All versions < V13.3.0.9), Teamcenter Visualization V13.3 (All versions < V13.3.0.8), Teamcenter Visualization V14.0 (All versions < V14.0.0.5), Teamcenter Visualization V14.0 (All versions < V14.0.0.4), Teamcenter Visualization V14.1 (All versions < V14.1.0.6). The CCITT_G4Decode.dll contains an out of bounds read vulnerability when parsing a RAS file. An attacker can leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-19056)
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: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in JT2Go
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
Recent Out-of-bounds Read vulnerabilities
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
- 8.1 High severity
- 7.5 High severity
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