PT-2020-15835 · Objective · Oocborrt

Published 2020-09-17 · Updated 2021-07-21 · CVE-2020-24753

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 Objective Open CBOR Run-time (oocborrt) versions prior to 2020-08-12

Description A memory corruption issue exists due to an uncaught error while decoding CBOR Major Type 3 text strings, leading to the use of an attacker-controllable uninitialized stack value. This can cause memory modification, resulting in a crash or potentially exploitable heap corruption, allowing an attacker to execute code via crafted Concise Binary Object Representation (CBOR) input to the cbor2json decoder.

Recommendations For versions prior to 2020-08-12, update to a version released after 2020-08-12 to resolve the issue.

Exploit

Fix

Memory Corruption

Use of Uninitialized Resource

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-787

CWE-908

CWE-755

Related Identifiers

CVE-2020-24753

Affected Products

Oocborrt

References · 4

• 🔥 https://warcollar.com/cve-2020-24753.html · Exploit
• https://github.com/objsys/oocborrt/commit/539851c66778f68a244633985f6f8d0df94ea3b3 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-24753 · Security Note
• https://osv.dev/vulnerability/CVE-2020-24753 · Vendor Advisory