libIEC61850: Remote NULL dereference in MMS Read alternate-access sub-array path leads to server-side DoS
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| mz-automation | libiec61850 | affected |
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| Mz-automation | Libiec61850 |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.524% probability within 30 days)
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Mz-automation
Mz-automation libiec61850 |
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Mz-automation
Mz-automation libiec61850 |
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ssvc
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| Description | libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, alternateArrayAccess in src/mms/iso_mms/server/mms_read_service.c does not validate an alternate-access sub-array range when numberOfElements is greater than zero. An out-of-range MmsValue_getElement call returns NULL, and the sub-array branch passes that value to MmsValue_isDeletable, causing a NULL pointer dereference. A remote MMS Read request can therefore crash servers whose data models contain arrays, while the single-element error path handles the same invalid index safely. This issue is fixed in version 1.6.2. | |
| Title | libIEC61850: Remote NULL dereference in MMS Read alternate-access sub-array path leads to server-side DoS | |
| Weaknesses | CWE-129 CWE-252 CWE-476 CWE-754 |
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| Metrics |
cvssV3_1
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