Description (CNA)
Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.8.0 to 2.11.0, GetStyle's fill, border, and font extraction predicates check only upper bounds for attacker-controlled style-table indices. File.GetStyle relies on extractStyleCondFuncs predicates that allow negative FillID, BorderID, and FontID values to reach slice indexing. When a crafted styles.xml supplies a negative fillId, borderId, or fontId and the application reads the style, a negative identifier passes the upper-bound-only predicate and becomes a negative slice index, allowing an attacker to panic while reading cell styling. No fixed version is available as of this review.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| qax-os / excelize | affected >= 2.8.0, <= 2.11.0 |
CWE
CWE-20, CWE-129
References
- https://github.com/qax-os/excelize/security/advisories/GHSA-5h23-36rv-pm65
- https://github.com/qax-os/excelize/pull/2367
- https://github.com/qax-os/excelize/commit/ae2113b410e51f6a141c396a59eda8c42b91bc22
ADP enrichment
No English description supplied.