Vulnerability DatabaseCVE-2023-7101
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CVE-2023-7101
December 24, 2023
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.
Affected Packages
gdata (R):
Affected version(s) >=2.16.1 <3.0.0
Fix Suggestion:
Update to version 3.0.0
Related Resources (13)
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2FIWDHRYTAAQLGM6AFOZVM7AFZ4H2ZR/
https://https://github.com/jmcnamara/spreadsheet-parseexcel/commit/bd3159277e745468e2c553417b35d5d7dc7405bc
http://www.openwall.com/lists/oss-security/2023/12/29/4
https://https://github.com/haile01/perl_spreadsheet_excel_rce_poc
https://https://www.cve.org/CVERecord?id=CVE-2023-7101
https://github.com/jmcnamara/spreadsheet-parseexcel/blob/c7298592e102a375d43150cd002feed806557c15/lib/Spreadsheet/ParseExcel/Utility.pm#L171
https://security-tracker.debian.org/tracker/CVE-2023-7101
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFEHKULQRVXHIV7XXK2RGD4VQN6Y4CV5/
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2023/MNDT-2023-0019.md
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-7101
https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.html
https://lists.debian.org/debian-lts-announce/2023/12/msg00025.html
https://https://metacpan.org/dist/Spreadsheet-ParseExcel
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CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
ATTACKED
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
HIGH
Weakness Type (CWE)
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
CWE-95
Improper Control of Generation of Code ('Code Injection')
CWE-94
EPSS
Base Score:
83.31