PT-2023-12557 · Pev · Pev

Saullocarvalho · Published 2023-03-13 · Updated 2025-03-03 · CVE-2021-45423

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Pev version 0.81

Description A Buffer Overflow issue exists in 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. This can lead to arbitrary code execution.

Recommendations For Pev version 0.81, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-45423

Affected Products

Pev

References · 10

• 🔥 https://github.com/merces/libpe/issues/35 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-45423 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-45423 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-45423 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-45423 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-45423 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45423 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-45423 · Vendor Advisory
• https://t.me/cibsecurity/59925 · Telegram Post
• https://t.me/cvenotify/113237 · Telegram Post