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CVE-2014-7169 is a GNU Bash environment-variable parsing vulnerability affecting versions through 4.3 patch bash43-025. Bash processes trailing strings after certain malformed function definitions supplied in environment-variable values. The flaw results from an incomplete fix for CVE-2014-6271 and permits attacker-controlled environments to cause file writes; vendor advisories also describe arbitrary command execution. Exposure occurs when attacker-influenced environment variables reach Bash across a privilege boundary, including through OpenSSH ForceCommand, Apache mod_cgi or mod_cgid, and scripts invoked by some DHCP clients.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (14 hidden).
This repository is a minimal Shellshock proof-of-concept for CVE-2014-6271. It contains only two files: a Dockerfile that builds a vulnerable GNU Bash 4.3 environment on Ubuntu 14.04, and a README explaining the bug, reproduction steps, and real-world attack surface. The Dockerfile downloads bash-4.3 from ftp.gnu.org, compiles it from source, installs it to /usr/local/bin/bash, and launches that binary in the container. The exploit capability is straightforward command execution during bash initialization by supplying a crafted environment variable containing a function definition followed by trailing shell commands. The README demonstrates this with `env x='() { :;}; echo VULNERABLE' bash -c "echo test"`, which causes the injected `echo VULNERABLE` to run before the intended command. The repository does not include a remote exploit script or automation against a network service; instead it is a local reproduction environment and educational PoC. However, it explicitly documents the real-world web attack vector: CGI applications that pass attacker-controlled HTTP headers such as User-Agent into environment variables before invoking bash. Overall, this is a valid, non-framework PoC repository intended to reproduce and explain Shellshock rather than provide a weaponized exploitation tool.
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47 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A related Bash vulnerability mentioned as a newly identified bug for which proven patches were not yet available at the time of writing.
A specific vulnerability cited as an example of exploiting Internet-facing systems for initial access; no further technical or operational detail is given in the content.
An earlier vulnerability cited as part of the incomplete Bash fixes that left CVE-2014-6278 unresolved. This reference does not independently describe its technical details or exploitation status.
A specific vulnerability cited as an example of exploiting Internet-facing systems for initial access; no further technical detail is given in the content.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.