CVE-2021-4021 — Uncontrolled Resource Consumption in Radare2

CWE-400 — Uncontrolled Resource ConsumptionCWE-834 — Excessive Iteration4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 37.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Debian Radare2Radare Radare2
Timeline
PublishedFeb 24
Latest updateFeb 25

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/radare2< radare2 5.9.0+dfsg-1 (sid)
▶NVDradare/radare25.5.0
▶CVEListV5radare/radare2radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2

🔴Vulnerability Details

2
GHSA
GHSA-4g55-4fxv-2g82: A vulnerability was found in Radare2 in versions prior to 5↗2022-02-25
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OSV
CVE-2021-4021: A vulnerability was found in Radare2 in versions prior to 5↗2022-02-24
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📋Vendor Advisories

1
Debian
CVE-2021-4021: radare2 - A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 an...↗2021
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