Vulnerability Name:

CVE-1999-0234 (CCN-396)

Assigned:1996-10-01
Published:1996-10-01
Updated:2022-08-17
Summary:Bash treats any character with a value of 255 as a command separator.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: CCN
Type: CIAC Information Bulletin H-01
Vulnerabilities in bash

Source: MITRE
Type: CNA
CVE-1999-0234

Source: CCN
Type: CERT Advisory CA-1996-22
Vulnerabilities in bash

Source: CCN
Type: CIAC Information Bulletin G-41
A variable declaration error in "bash" allows the character with value 255 decimal to be used as a command separator

Source: CCN
Type: Geocrawler Web site archives
Fix for security problem in bash-1.14.6

Source: CCN
Type: OSVDB ID: 11515
Multiple Unix bash 255 Value Command Separator Attack

Source: XF
Type: UNKNOWN
bash-cmd(396)

Source: MISC
Type: UNKNOWN
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0234

Vulnerable Configuration:Configuration 1:
  • cpe:/o:yggdrasil:linux:*:*:*:*:*:*:*:*
  • AND
  • cpe:/o:sgi:irix:*:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:caldera:openlinux:*:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:3.0.3:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:4.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:gnu:bash:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    yggdrasil linux *
    sgi irix *
    caldera openlinux *
    redhat linux 3.0.3
    suse suse linux 4.2
    gnu bash *