Resource Exhaustion Vulnerability in Radare2 for MIPS Architecture
CVE-2021-4021

7.5HIGH

Key Information:

Vendor

Radare

Status
Radare2
Vendor
CVE Published:
24 February 2022

What is CVE-2021-4021?

A resource exhaustion vulnerability exists in Radare2, which is exploited by mapping a large section of an ELF64 binary filled with zeros for MIPS architecture. This process can lead to uncontrolled resource consumption and ultimately result in denial of service (DoS). It is crucial for users running affected versions to apply updates or patches to mitigate this issue.

Affected Version(s)

radare2 radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2

References

https://github.com/radareorg/radare2/issues/19436
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.