CVE-2023-7101
Last modified
CVE-2023-7101 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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”. CISA has confirmed active exploitation in the wild. EPSS estimates a 16.70% chance of exploitation in the next 30 days.
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Jmcnamara | Spreadsheet\ | <= 0.65 | Parseexcel |
| Debian | Debian Linux | 10.0 | — |
| Fedoraproject | Fedora | 38 | — |
| Fedoraproject | Fedora | 39 | — |
References
- https://www.openwall.com/lists/oss-security/2023/12/29/4Mailing List, Patch, Third Party Advisory
- https://https://github.com/haile01/perl_spreadsheet_excel_rce_pocBroken Link, Third Party Advisory
- https://https://metacpan.org/dist/Spreadsheet-ParseExcelBroken Link, Product
- https://https://www.cve.org/CVERecord?id=CVE-2023-7101Broken Link, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/12/29/4Mailing List, Patch, Third Party Advisory
- https://https://github.com/haile01/perl_spreadsheet_excel_rce_pocBroken Link, Third Party Advisory
- https://https://metacpan.org/dist/Spreadsheet-ParseExcelBroken Link, Product
- https://https://www.cve.org/CVERecord?id=CVE-2023-7101Broken Link, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-7101US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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