decNumberCopy in decNumber.c in jq through 1.7.1 does not properly...
Vulnerability Description
decNumberCopy in decNumber.c in jq through 1.7.1 does not properly consider that NaN is interpreted as numeric, which has a resultant stack-based buffer overflow and out-of-bounds write, as demonstrated by use of --slurp with subtraction, such as a filter of .-. when the input has a certain form of digit string with NaN (e.g., "1 NaN123" immediately followed by many more digits).
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/jqlang/jq/issues/3196
- https://gist.github.com/Ekkosun/a83870ce7f3b7813b9b462a395e8ad92
- https://github.com/jqlang/jq/blob/71c2ab509a8628dbbad4bc7b3f98a64aa90d3297/src/decNumber/decNumber.c#L3375
- https://github.com/jqlang/jq/security/advisories/GHSA-x6c3-qv5r-7q22
- https://github.com/jqlang/jq/issues/3296
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