Off-by-One Overflow Vulnerability in Radare2 by Radare.org
CVE-2020-27793

7.5HIGH

Key Information:

Vendor

Radare

Status
Radare2
Vendor
CVE Published:
19 August 2022

What is CVE-2020-27793?

An off-by-one overflow flaw has been discovered in Radare2, specifically in the core_java.c component, due to a mismatch in array length. This vulnerability allows attackers to potentially crash the application, leading to a denial-of-service scenario. Proper management of array lengths is critical to mitigate this risk and maintain application stability.

Affected Version(s)

radare2 Fixed in v4.4.0.

References

https://github.com/radareorg/radare2/issues/16304
x_refsource_MISC
https://github.com/radareorg/radare2/commit/ced0223c7a1b3...
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

.