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Vulnerabilities

CVE-2014-6278 | BDVDB-2026-64489 Detail

GNUGNU Bash

Description#

GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary commands 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, CVE-2014-7169, and CVE-2014-6277.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References#

Show all 40

Exploit#

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.