CVE-2021-4021

2022-02-2419:15:09

Debian Security Bug Tracker

security-tracker.debian.org

radare2

vulnerability

resource consumption

dos

elf64

mips architecture

cve-2021-4021

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

31.4%

JSON

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

OSVersionArchitecturePackageVersionFilename
Debian999allradare2< 5.9.0+dfsg-1radare2_5.9.0+dfsg-1_all.deb
Debian13allradare2< 5.9.0+dfsg-1radare2_5.9.0+dfsg-1_all.deb