CVE-2021-42379

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the next_input_file function
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 46%
Affected Products (NVD)
VendorProductVersion
busyboxbusybox
1.18.0 ≤
𝑥
≤ 1.33.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
busybox
bookworm
1:1.35.0-4
fixed
bullseye
no-dsa
buster
no-dsa
sid
1:1.37.0-4
fixed
stretch
postponed
trixie
1:1.37.0-4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
busybox
bionic
Fixed 1:1.27.2-2ubuntu3.4
released
focal
Fixed 1:1.30.1-4ubuntu6.4
released
hirsute
Fixed 1:1.30.1-6ubuntu2.1
released
impish
Fixed 1:1.30.1-6ubuntu3.1
released
jammy
Fixed 1:1.30.1-7ubuntu2
released
trusty
ignored
xenial
ignored
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
busybox
suse enterprise desktop 15 SP3
1.34.1-4.9.1
fixed
suse enterprise desktop 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise desktop 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise desktop 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise desktop 15 SP7
1.35.0-150700.16.4
fixed
suse enterprise sap 15 SP1
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP2
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP3
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise sap 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise sap 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise sap 15 SP7
1.35.0-150700.16.4
fixed
suse enterprise server 15 SP1
1.34.1-4.9.1
fixed
suse enterprise server 15 SP2
1.34.1-4.9.1
fixed
suse enterprise server 15 SP3
1.34.1-4.9.1
fixed
suse enterprise server 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise server 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise server 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise server 15 SP7
1.35.0-150700.16.4
fixed
busybox-static
suse enterprise desktop 15 SP3
1.34.1-4.9.1
fixed
suse enterprise desktop 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise desktop 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise desktop 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise desktop 15 SP7
1.35.0-150700.16.4
fixed
suse enterprise sap 15 SP1
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP2
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP3
1.34.1-4.9.1
fixed
suse enterprise sap 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise sap 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise sap 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise sap 15 SP7
1.35.0-150700.16.4
fixed
suse enterprise server 15 SP1
1.34.1-4.9.1
fixed
suse enterprise server 15 SP2
1.34.1-4.9.1
fixed
suse enterprise server 15 SP3
1.34.1-4.9.1
fixed
suse enterprise server 15 SP4
1.35.0-150400.3.3.1
fixed
suse enterprise server 15 SP5
1.35.0-150500.8.2
fixed
suse enterprise server 15 SP6
1.35.0-150500.10.3.3
fixed
suse enterprise server 15 SP7
1.35.0-150700.16.4
fixed
Common Weakness Enumeration
References
https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
https://security.netapp.com/advisory/ntap-20211223-0002/
https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
https://lists.debian.org/debian-lts-announce/2025/01/msg00012.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/
https://security.netapp.com/advisory/ntap-20211223-0002/