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OS Command Injection Affecting bash package, versions <4.3-9.2

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 97.35% (100th percentile)
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NVD
9.8 critical
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Red Hat
5.6 medium

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  • Snyk ID SNYK-DEBIAN10-BASH-351589
  • published 25 Sep 2014
  • disclosed 25 Sep 2014
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Introduced: 25 Sep 2014

CVE-2014-7169 Open this link in a new tab
CWE-78 Open this link in a new tab

How to fix?

Upgrade Debian:10 bash to version 4.3-9.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bash package and not the bash package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact 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. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271.

References