Vulnerability Name:

CVE-2010-4707 (CCN-65036)

Assigned:2010-10-03
Published:2010-10-03
Updated:2019-01-03
Summary:The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.
CVSS v3 Severity:6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N)
3.8 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N/E:U/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.8 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (REDHAT CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (REDHAT Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2010-4707

Source: CCN
Type: ALT Linux Team git Repository
GIT.ALT/people/ldv/packages / pam.git / commit

Source: CONFIRM
Type: Patch
http://git.altlinux.org/people/ldv/packages/?p=pam.git;a=commit;h=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9

Source: CCN
Type: oss-security: Dmitry V. Levin | 4 Oct 02:00
Minor security flaw with pam_xauth

Source: MLIST
Type: Patch
[oss-security] 20101004 Re: Minor security flaw with pam_xauth

Source: CCN
Type: RHSA-2010-0819
Moderate: pam security update

Source: CCN
Type: RHSA-2010-0891
Moderate: pam security update

Source: SECUNIA
Type: UNKNOWN
49711

Source: GENTOO
Type: UNKNOWN
GLSA-201206-31

Source: CCN
Type: OSVDB ID: 70653
Linux-PAM pam_xauth Module pam_xauth.c check_acl Function Special ACL File Local DoS

Source: BID
Type: UNKNOWN
46045

Source: CCN
Type: BID-46045
Linux-PAM 'pam_xauth' Module Denial of Service and Security Bypass Vulnerabilities

Source: XF
Type: UNKNOWN
linuxpam-checkacl-dos(65036)

Source: XF
Type: UNKNOWN
linuxpam-checkacl-dos(65036)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:1.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:linux-pam:linux-pam:*:*:*:*:*:*:*:* (Version <= 1.1.2)

    • 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 RedHat 5:
  • cpe:/o:redhat:enterprise_linux:6:*:*:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:6::client:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:6::computenode:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:6::server:*:*:*:*:*

    • Configuration RedHat 9:
  • cpe:/o:redhat:enterprise_linux:6::workstation:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:13730
    P
    		USN-1140-2 -- pam regression
    2014-06-30
    oval:org.mitre.oval:def:13977
    P
    		USN-1140-1 -- pam vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:23510
    P
    		ELSA-2010:0891: pam security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:23155
    P
    		ELSA-2010:0819: pam security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:22164
    P
    		RHSA-2010:0819: pam security update (Moderate)
    2014-02-24
    oval:org.mitre.oval:def:22188
    P
    		RHSA-2010:0891: pam security update (Moderate)
    2014-02-24
    oval:com.redhat.rhsa:def:20100891
    P
    		RHSA-2010:0891: pam security update (Moderate)
    2010-11-16
    oval:com.redhat.rhsa:def:20100819
    P
    		RHSA-2010:0819: pam security update (Moderate)
    2010-11-01
    BACK
    linux-pam linux-pam 0.99.1.0
    linux-pam linux-pam 0.99.2.0
    linux-pam linux-pam 0.99.2.1
    linux-pam linux-pam 0.99.3.0
    linux-pam linux-pam 0.99.4.0
    linux-pam linux-pam 0.99.5.0
    linux-pam linux-pam 0.99.6.0
    linux-pam linux-pam 0.99.6.1
    linux-pam linux-pam 0.99.6.2
    linux-pam linux-pam 0.99.6.3
    linux-pam linux-pam 0.99.7.0
    linux-pam linux-pam 0.99.7.1
    linux-pam linux-pam 0.99.8.0
    linux-pam linux-pam 0.99.8.1
    linux-pam linux-pam 0.99.9.0
    linux-pam linux-pam 0.99.10.0
    linux-pam linux-pam 1.0.0
    linux-pam linux-pam 1.0.1
    linux-pam linux-pam 1.0.2
    linux-pam linux-pam 1.0.3
    linux-pam linux-pam 1.0.4
    linux-pam linux-pam 1.1.0
    linux-pam linux-pam 1.1.1
    linux-pam linux-pam *