GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution, aka "ShellShock." NOTE: the original fix for this issue was incorrect; CVE-2014-7169 has been assigned to cover the vulnerability that is still present after the incorrect fix.
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Status: PUBLISHED
Assigner: debian
Published: 2014-09-24T18:00:00.000Z
Updated: 2025-10-22T00:05:36.342Z
Reserved: 2014-09-09T00:00:00.000Z
Link: CVE-2014-6271
Updated: 2024-08-06T12:10:13.276Z
Status : Deferred
Published: 2014-09-24T18:48:04.477
Modified: 2025-10-22T01:15:57.643
Link: CVE-2014-6271