Description
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compound_document::read_directory of the file source/detail/cryptography/compound_document.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 147. Applying a patch is advised to resolve this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| xlnt-community | xlnt | 1.6.0, 1.6.1 | — |
References
- VDB-349553 | xlnt-community xlnt Encrypted XLSX File compound_document.cpp read_directory out-of-bounds vdb-entry technical-description
- VDB-349553 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #764646 | xlnt-community xlnt commit bceb706 and before Memory Corruption third-party-advisory
- https://github.com/xlnt-community/xlnt/issues/141 issue-tracking
- https://github.com/oneafter/0128/blob/main/xl5/repro exploit
- https://github.com/xlnt-community/xlnt/pull/147 issue-tracking patch
- https://github.com/xlnt-community/xlnt/ product