Name: CVE-2021-45423: Buffer Copy without Checking Size of Input
Creator: Rapid7
Published: 2023-03-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-45423, CWE-120, CVSS 9.8, EPSS 0.00607

A Buffer Overflow vulnerabilityexists in Pev 0.81 via the pe_exports function from exports.c.. The array offsets_to_Names is dynamically allocated on the stack using exp->NumberOfFunctions as its size. However, the loop uses exp->NumberOfNames to iterate over it and set its components value. Therefore, the loop code assumes that exp->NumberOfFunctions is greater than ordinal at each iteration. This can lead to arbitrary code execution.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade pev	Aug 22, 2024	Mar 13, 2023
Debian	—	Upgrade pev	Jul 30, 2024	Mar 13, 2023

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CVSS Details

Covered by Rapid7

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