ID CVE-2021-42386
Summary 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 nvalloc function
References
Vulnerable Configurations
  • cpe:2.3:a:busybox:busybox:1.16.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.16.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.16.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.16.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.16.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.16.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.17.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.17.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.17.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.17.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.17.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.17.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.17.3:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.17.3:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.17.4:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.17.4:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.3:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.3:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.4:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.4:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.18.5:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.18.5:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.19.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.19.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.19.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.19.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.19.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.19.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.19.3:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.19.3:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.19.4:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.19.4:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.20.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.20.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.20.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.20.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.20.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.20.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.21.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.21.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.21.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.21.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.22.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.22.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.22.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.22.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.23.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.23.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.23.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.23.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.23.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.23.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.24.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.24.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.24.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.24.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.24.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.24.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.25.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.25.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.25.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.25.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.26.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.26.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.26.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.26.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.26.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.26.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.27.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.27.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.27.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.27.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.27.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.27.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.28.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.28.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.28.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.28.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.28.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.28.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.28.3:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.28.3:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.28.4:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.28.4:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.29.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.29.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.29.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.29.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.29.2:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.29.2:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.29.3:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.29.3:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.30.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.30.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.30.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.30.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.31.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.31.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.31.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.31.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.32.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.32.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.32.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.32.1:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.33.0:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.33.0:*:*:*:*:*:*:*
  • cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*
    cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
    cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVSS
Base: 6.5 (as of 29-11-2021 - 18:25)
Impact:
Exploitability:
CWE CWE-416
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW SINGLE
Impact
ConfidentialityIntegrityAvailability
PARTIAL PARTIAL PARTIAL
cvss-vector via4 AV:N/AC:L/Au:S/C:P/I:P/A:P
Last major update 29-11-2021 - 18:25
Published 15-11-2021 - 21:15
Last modified 29-11-2021 - 18:25
Back to Top