Vulnerability Name:

CVE-2012-4522 (CCN-79494)

Assigned:2012-10-12
Published:2012-10-12
Updated:2013-05-04
Summary:The rb_get_path_check function in file.c in Ruby 1.9.3 before patchlevel 286 and Ruby 2.0.0 before r37163 allows context-dependent attackers to create files in unexpected locations or with unexpected names via a NUL byte in a file path.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Exploitability Metrics:Attack Vector (AV): Network
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:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.3 Medium (REDHAT CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (REDHAT Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-264
CWE-626
Vulnerability Consequences:File Manipulation
References:Source: MITRE
Type: CNA
CVE-2012-4522

Source: FEDORA
Type: UNKNOWN
FEDORA-2012-16071

Source: FEDORA
Type: UNKNOWN
FEDORA-2012-16086

Source: CCN
Type: RHSA-2013-0129
Moderate: ruby security and bug fix update

Source: REDHAT
Type: UNKNOWN
RHSA-2013:0129

Source: CCN
Type: RHSA-2013-0582
Moderate: Red Hat OpenShift Enterprise 1.1.1 update

Source: MISC
Type: UNKNOWN
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37163

Source: MLIST
Type: UNKNOWN
[oss-security] 20121012 CVE request: ruby file creation due in insertion of illegal NUL character

Source: MLIST
Type: UNKNOWN
[oss-security] 20121013 Re: CVE request: ruby file creation due in insertion of illegal NUL character

Source: MLIST
Type: UNKNOWN
[oss-security] 20121016 Re: CVE request: ruby file creation due in insertion of illegal NUL character

Source: CCN
Type: Ruby Web Site
Ruby

Source: CONFIRM
Type: UNKNOWN
http://www.ruby-lang.org/en/news/2012/10/12/poisoned-NUL-byte-vulnerability/

Source: CCN
Type: BID-56115
Ruby CVE-2012-4522 Local File Creation Vulnerability

Source: CCN
Type: Red Hat Bugzilla Bug 866567
CVE-2012-4522 ruby: unintentional file creation caused by inserting an illegal NUL character [fedora-all]

Source: XF
Type: UNKNOWN
ruby-file-creation(79494)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ruby-lang:ruby:1.9.3:*:*:*:*:*:*:*
  • OR cpe:/a:ruby-lang:ruby:2.0.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::client_workstation:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ruby-lang:ruby:1.9:*:*:*:*:*:*:*
  • OR cpe:/a:ruby-lang:ruby:1.9.1:*:*:*:*:*:*:*
  • OR cpe:/a:ruby-lang:ruby:1.9.1:-p129:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:linux_advanced_workstation:2.1::itanium:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client_workstation:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20124522
    V
    		CVE-2012-4522
    2022-05-20
    oval:org.mitre.oval:def:18024
    P
    		USN-1614-1 -- ruby1.9.1 vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:23147
    P
    		ELSA-2013:0129: ruby security and bug fix update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:20949
    P
    		RHSA-2013:0129: ruby security and bug fix update (Moderate)
    2014-02-17
    oval:com.redhat.rhsa:def:20130129
    P
    		RHSA-2013:0129: ruby security and bug fix update (Moderate)
    2013-01-08
    oval:com.ubuntu.precise:def:20124522000
    V
    		CVE-2012-4522 on Ubuntu 12.04 LTS (precise) - medium.
    2012-11-24
    BACK
    ruby-lang ruby 1.9.3
    ruby-lang ruby 2.0.0
    ruby-lang ruby 1.9
    ruby-lang ruby 1.9.1
    ruby-lang ruby 1.9.1 -p129
    redhat linux advanced workstation 2.1
    redhat enterprise linux 5
    redhat enterprise linux 5
    redhat enterprise linux 5