CVE-2023-7101

HighActively exploited (CISA KEV)

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductSpreadsheet::ParseExcel
PublishedDec 24, 2023
First seenDec 24, 2023
Added to KEVJan 2, 2024
Weakness typeCWE-95CWE-95

How to fix

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date: Jan 23, 2024

Affected products

ProductAffected versionsFixed in
jmcnamara spreadsheet\\ ≤ v ≤ 0.65—
debian debian_linux10.0—
fedoraproject fedora38, 39—

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CVE-2023-7101 · Spreadsheet::ParseExcel · Dark Radar