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GNU Bash through 4.3 bash43-026 improperly parses function definitions embedded in environment variable values. CVE-2014-6278 is an incomplete fix in the Shellshock vulnerability set: after prior fixes for CVE-2014-6271, CVE-2014-7169, and CVE-2014-6277, Bash still mishandles crafted environment content and can execute attacker-controlled commands when Bash is invoked in a context where environment variables cross a privilege or trust boundary. Documented vectors include OpenSSH sshd ForceCommand, Apache HTTP Server mod_cgi/mod_cgid, and scripts executed by DHCP clients. The flaw is effectively an OS command injection condition in Bash’s environment/function parsing logic.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 6 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
42 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
OS command injection vulnerability in GNU Bash (Shellshock) via crafted environment variables enabling arbitrary command execution.
A command injection vulnerability in GNU Bash (Shellshock), still exploited in embedded systems and appliances.
A command injection vulnerability in GNU Bash (Shellshock-related) that allows remote arbitrary code execution on Linux and Unix systems.
An OS command injection vulnerability in GNU Bash (Shellshock) allows remote attackers to execute arbitrary commands via crafted environment variables.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.