ID CVE-2021-42377
Summary An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
References
Vulnerable Configurations
  • 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: 6.8 (as of 29-11-2021 - 18:51)
Impact:
Exploitability:
CWE CWE-763
CAPEC
Access
VectorComplexityAuthentication
NETWORK MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
PARTIAL PARTIAL PARTIAL
cvss-vector via4 AV:N/AC:M/Au:N/C:P/I:P/A:P
Last major update 29-11-2021 - 18:51
Published 15-11-2021 - 21:15
Last modified 29-11-2021 - 18:51
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