CVE-2023-7101
Arbitrary Code Execution (ACE) Vulnerability
- State
- Published
- Severity
- 7.8 High
- Published
- Dec 24, 2023
- Updated
- Oct 21, 2025
- Reserved
- Dec 24, 2023
Description
Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an arbitrary code execution (ACE) vulnerability due to passing unvalidated input from a file into a string-type “eval”. Specifically, the issue stems from the evaluation of Number format strings (not to be confused with printf-style format strings) within the Excel parsing logic.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Affected Products
| Product | Versions |
|---|---|
Spreadsheet::ParseExcelDouglas Wilson |
|
References
- https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.md
- https://https//www.cve.org/CVERecord?id=CVE-2023-7101
- https://https//metacpan.org/dist/Spreadsheet-ParseExcel
- https://https//github.com/haile01/perl_spreadsheet_excel_rce_poc
- https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150cd002feed806557c15/lib/Spreadsheet/ParseExcel/Utility.pm#L171
- http://www.openwall.com/lists/oss-security/2023/12/29/4
- https://lists.debian.org/debian-lts-announce/2023/12/msg00025.html
- https://https//github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e745468e2c553417b35d5d7dc7405bc
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFEHKULQRVXHIV7XXK2RGD4VQN6Y4CV5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2FIWDHRYTAAQLGM6AFOZVM7AFZ4H2ZR/
- https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-7101government-resource
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