CVE-2022-30065 — Use After Free in Busybox

CWE-416 — Use After Free7 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.7%
top 28.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
BusyboxSiemens Scalance Sc622-2c FirmwareSiemens Scalance Sc626-2c Firmware+4 more
Timeline
PublishedMay 18
Latest updateMay 19

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages8 packages

▶Debianbusybox/busybox< 1:1.36.1-1+1
▶NVDbusybox/busybox1.35.0

🔴Vulnerability Details

3
GHSA
GHSA-gq73-rh3m-3php: A use-after-free in Busybox 1↗2022-05-19
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OSV
CVE-2022-30065: A use-after-free in Busybox 1↗2022-05-18
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CVEList
CVE-2022-30065: A use-after-free in Busybox 1↗2022-05-18
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📋Vendor Advisories

3
Red Hat
busybox: A use-after-free in Busybox's awk applet leads to denial of service↗2022-05-18
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Microsoft
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.↗2022-05-10
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Debian
CVE-2022-30065: busybox - A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and p...↗2022
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CVE-2022-30065 — Use After Free in Busybox | cvebase