Bug 2255871 (CVE-2023-7101)

Summary:	CVE-2023-7101 perl-Spreadsheet-ParseExcel: unvalidated input can lead to arbitrary code execution vulnerability
Product:	[Other] Security Response	Reporter:	Robb Gatica <rgatica>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Bug Depends On:	2255872, 2255873
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Description Robb Gatica 2023-12-25 22:28:59 UTC

ource: libspreadsheet-parseexcel-perl
Version: 0.6500-3
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil, Debian Security Team <team.org>
Control: found -1 0.6500-1.1
Control: found -1 0.6500-1
Control: affects -1 + libspreadsheet-parsexlsx-perl

Hi,

The following vulnerability was published for libspreadsheet-parseexcel-perl.
The writeup[2] contains a descrption of the issue and pocs. Note that
the issue in Spreadsheet::ParseExcel will affect as well
Spreadsheet::ParseXLSX relying on Spreadsheet::ParseExcel but AFAIU,
the issue needs to be fixed in Spreadsheet::ParseExcel.

CVE-2023-7101[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2023-7101
    https://www.cve.org/CVERecord?id=CVE-2023-7101
[1] https://github.com/haile01/perl_spreadsheet_excel_rce_poc

Comment 1 Robb Gatica 2023-12-25 22:29:15 UTC

Created perl-Spreadsheet-ParseExcel tracking bugs for this issue:

Affects: epel-all [bug 2255872]
Affects: fedora-all [bug 2255873]