CVE-2020-27793 — Off-by-one Error in Radare2

CWE-193 — Off-by-one Error4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 39.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Radare Radare2Debian Radare2
Timeline
PublishedAug 19
Latest updateAug 20

Description

An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.

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

▶NVDradare/radare2< 4.4.0
▶debiandebian/radare2< radare2 5.0.0+dfsg-1 (sid)
▶CVEListV5radare/radare2Fixed in v4.4.0.

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-wq2p-x6v8-v53j: An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java↗2022-08-20
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OSV
CVE-2020-27793: An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java↗2022-08-19
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📋Vendor Advisories

1
Debian
CVE-2020-27793: radare2 - An off-by-one overflow flaw was found in radare2 due to mismatched array length ...↗2020
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