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CVE-2014-6271

9.8 Critique Exploitée activement

Publiée le 24/09/2014 à 20:48 · Modifiée le 17/06/2026 à 02:12 · Analysée par le NVD · Source : security@debian.org

Catalogue CISA KEV — GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability

Ajoutée le 28/01/2022 · Échéance de correction (agences US) : 28/07/2022

Action requise : Apply updates per vendor instructions.

Description

GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code 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, aka "ShellShock." NOTE: the original fix for this issue was incorrect; CVE-2014-7169 has been assigned to cover the vulnerability that is still present after the incorrect fix.

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Produits concernés

Scores CVSS

VersionScoreSourceVecteur
3.1 9.8 Critique nvd@nist.gov (NVD) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1 9.8 Critique 134c704f-9b21-4f2e-91b3-4a467353bcc0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0 10.0 Élevée nvd@nist.gov (NVD) AV:N/AC:L/Au:N/C:C/I:C/A:C

Faiblesses (CWE)

Références

Ailleurs