Division by Zero Vulnerability in Radare2 Mach-O Parser
CVE-2021-32494

10CRITICAL

Key Information:

Vendor

Radare2

Status
Radare2
Vendor
CVE Published:
7 July 2023

What is CVE-2021-32494?

Radare2 is susceptible to a division by zero vulnerability in its Mach-O parser's rebase_buffer function. This flaw can be exploited by attackers through crafted inputs, resulting in a denial of service situation. Proper inputs can lead to unexpected behavior in the processing of Mach-O binaries, highlighting the importance of validating inputs to prevent service disruptions.

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Affected Version(s)

radare2 5.3.0-git 26142

References

https://github.com/radareorg/radare2/issues/18667
https://github.com/radareorg/radare2/commit/a07dedb804a82...

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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