CVE-2026-68907 : 상세 정보

CVE-2026-68907

2026-10-16
16h20 +00:00
Overflow
2026-10-16
20h04 +00:00
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CVE 설명

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, checkDataSetAccess reverses the source and destination arguments to StringUtils_copyStringToBuffer while constructing an MMS_ASSOCIATION_SPECIFIC dataset reference. The helper treats uninitialized dataSetRef[130] storage as a source string, causing strlen to read beyond the stack buffer, and then copies those bytes into the caller-owned listName buffer. A remote defineNamedVariableList request can crash servers that have dynamic dataset service enabled and a dataset access handler installed; the advisory also observes caller stack corruption but establishes denial of service as the primary impact. This issue is fixed in version 1.6.2.

CVE 정보

관련 약점

CWE-ID 약점 이름 출처
CWE-125 Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
CWE-457 Use of Uninitialized Variable
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
CWE-628 Function Call with Incorrectly Specified Arguments
The product calls a function, procedure, or routine with arguments that are not correctly specified.

참고 자료