MISC: Multiple Products Bash Shellshock Vulnerability

This signature detects attempts to exploit a known vulnerability against GNU Bash. A successful attack can lead to arbitrary code execution.

Extended Description

The redirection implementation in parse.y in GNU Bash through 4.3 bash43-026 allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) or possibly have unspecified other impact via crafted use of here documents, aka the "redir_stack" issue.

Affected Products

Gnu bash

References

CVE: CVE-2014-7187

Short Name
MISC:SHELLSHOCK
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
MISC
Keywords
Bash CVE-2014-7186 CVE-2014-7187 Multiple Products Shellshock Vulnerability
Release Date
10/07/2014
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3761
Port
TCP/0-79,81-442,444-3127,3129-7999,8001-8079,8081-65535
False Positive
Unknown
Vendors

Gnu

CVSS Score

10.0

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