A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.
Published 2022-05-18 15:15:10
Updated 2023-02-11 17:44:54
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2022-30065

0.07%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-30065

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2022-30065

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-30065

Products affected by CVE-2022-30065

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