Vulnerability Name:

CVE-2013-0191 (CCN-81363)

Assigned:2012-12-06
Published:2013-01-16
Updated:2017-08-29
Summary:libpam-pgsql (aka pam_pgsql) 0.7 does not properly handle a NULL value returned by the password search query, which allows remote attackers to bypass authentication via a crafted password.
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
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2013-0191

Source: SUSE
Type: UNKNOWN
SUSE-SU-2016:1996

Source: SUSE
Type: UNKNOWN
SUSE-SU-2016:2089

Source: MLIST
Type: UNKNOWN
[oss-security] 20130115 pam-pgsql NULL password handling issue

Source: CCN
Type: oss-sec mailing list, Wed, 16 Jan 2013 08:45:02 -0700
Re: pam-pgsql NULL password handling issue

Source: MLIST
Type: UNKNOWN
[oss-security] 20130116 Re: pam-pgsql NULL password handling issue

Source: MISC
Type: UNKNOWN
http://sourceforge.net/p/pam-pgsql/bugs/13/

Source: CCN
Type: SourceForge.net Web site
libpam-pgsql

Source: MISC
Type: Exploit, Patch
http://sourceforge.net/u/lvella/pam-pgsql/ci/9361f5970e5dd90a747319995b67c2f73b91448c/

Source: BID
Type: UNKNOWN
57440

Source: CCN
Type: BID-57440
libpam-pgsql NULL Password Authentication Bypass Vulnerability

Source: XF
Type: UNKNOWN
libpampgsql-password-sec-bypass(81363)

Source: XF
Type: UNKNOWN
libpampgsql-password-sec-bypass(81363)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:lucas_clemente_vella:libpam-pgsql:0.7:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20130191000
    V
    		CVE-2013-0191 on Ubuntu 12.04 LTS (precise) - medium.
    2014-06-03
    oval:com.ubuntu.trusty:def:20130191000
    V
    		CVE-2013-0191 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-06-03
    oval:com.ubuntu.xenial:def:20130191000
    V
    		CVE-2013-0191 on Ubuntu 16.04 LTS (xenial) - medium.
    2014-06-03
    oval:com.ubuntu.xenial:def:201301910000000
    V
    		CVE-2013-0191 on Ubuntu 16.04 LTS (xenial) - medium.
    2014-06-03
    BACK
    lucas_clemente_vella libpam-pgsql 0.7