Vulnerability Name:

CCN-50300

Published:2009-04-14
Updated:2009-04-14
Summary:Fedora bash-completion could provide weaker than expected security, caused by the improper escaping of specific characters. A local attacker could exploit this vulnerability using specially-crafted filenames to trigger malicious completion suggestions.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Consequences:Other
References:Source: CCN
Type: Debian Bug report logs - #259987
bash_completion does not properly quote characters

Source: CCN
Type: SA34989
Fedora bash-completion Character Escaping Weakness

Source: CCN
Type: OSVDB ID: 56285
Fedora Linux bash-completion Crafted Character Escaping Local Privilege Escalation

Source: CCN
Type: FEDORA-2009-3640
bash-completion-1.0-2.fc9 security update

Source: XF
Type: UNKNOWN
bashcompletion-characters-weak-security(50300)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:fedoraproject:fedora:9:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:10:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    fedoraproject fedora 9
    fedoraproject fedora 10