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
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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
- http://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
- http://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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