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cve[email protected]CVE-2021-4021
HistoryFeb 24, 2022 - 7:15 p.m.

CVE-2021-4021

2022-02-2419:15:09
CWE-834
CWE-400
web.nvd.nist.gov
66
2
vulnerability
radare2
resource consumption
dos
nvd
elf64
mips

7.5 High

CVSS3

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

7.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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.

CPE configuration

NVD
radareradare2Range5.5.0
CPENameOperatorVersion
radare:radare2radare radare2le5.5.0

CNA Affected

[
  {
    "product": "radare2",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"
      }
    ]
  }
]

Social References

More

7.5 High

CVSS3

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

7.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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