Vulnerability Name:

CVE-2008-2936 (CCN-44460)

Assigned:2008-08-14
Published:2008-08-14
Updated:2023-02-13
Summary:Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message.
Note: this can be leveraged to gain privileges if there is a symlink to an init script.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.2 Medium (CVSS v2 Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C)
4.6 Medium (Temporal CVSS v2 Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.9 Medium (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
5.1 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: BugTraq Mailing List, Thu Aug 14 2008 - 07:03:43 CDT
Postfix local privilege escalation via hardlinked symlinks

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: MITRE
Type: CNA
CVE-2008-2936

Source: CCN
Type: Postfix Web site
Die Postfix Homepage

Source: CCN
Type: SUSE Security Announcement SUSE-SA:2008:040
postfix Thu, 14 Aug 2008 14:00:00 +0000

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: RHSA-2008-0839
Moderate: postfix security update

Source: CCN
Type: SA31485
Postfix Symlink Handling and Destination Ownership Security Issues

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: SECTRACK ID: 1020700
Postfix Symlink Dereference Bug Lets Local Users Gain Elevated Privileges

Source: CCN
Type: ASA-2008-356
postfix security update (RHSA-2008-0839)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: DEBIAN
Type: DSA-1629
postfix -- programming error

Source: CCN
Type: GLSA-200808-12
Postfix: Local privilege escalation vulnerability

Source: CCN
Type: US-CERT VU#938323
Postfix local privilege escalation

Source: secalert@redhat.com
Type: US Government Resource
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: BID-30691
Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

Source: secalert@redhat.com
Type: Patch
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: TLSA-2008-31
Rocal privilege escalation

Source: CCN
Type: USN-636-1
Postfix vulnerability

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: XF
Type: UNKNOWN
postfix-symlink-code-execution(44460)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: SUSE
Type: SUSE-SA:2008:040
postfix security problem

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*
    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:wietse_venema:postfix:1.0.21:*:*:*:*:*:*:*
  • AND
  • cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::ws:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:3::desktop:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*
  • OR cpe:/o:novell:linux_desktop:9:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:6.06:*:lts:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:4.0:*:x86_64:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:3.0:*:x86_64:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007.1:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2008.0:*:x86-64:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.04:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.10:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2008.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2008.1:x86_64:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2007.1:*:x86-64:*:*:*:*:*
  • OR cpe:/a:novell:open_enterprise_server:*:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:10.2:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:10.3:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:2008.1:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:8.04:*:lts:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:11.0:*:*:*:*:*:*:*
  • OR cpe:/o:novell:suse_linux_enterprise_server:10:sp2:itanium_ia64:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20082936
    V
    		CVE-2008-2936
    2015-11-16
    oval:org.mitre.oval:def:28256
    P
    		RHSA-2008:0839 -- postfix security update (Moderate)
    2015-08-17
    oval:org.mitre.oval:def:17428
    P
    		USN-636-1 -- postfix vulnerability
    2014-06-30
    oval:org.mitre.oval:def:18596
    P
    		DSA-1629-1 postfix - privilege escalation
    2014-06-23
    oval:org.mitre.oval:def:7819
    P
    		DSA-1629 postfix -- programming error
    2014-06-23
    oval:org.mitre.oval:def:20269
    P
    		DSA-1629-2 postfix - privilege escalation
    2014-06-23
    oval:org.mitre.oval:def:22549
    P
    		ELSA-2008:0839: postfix security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:10033
    V
    		Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.
    2013-04-29
    oval:org.debian:def:1629
    V
    		programming error
    2008-08-19
    oval:com.redhat.rhsa:def:20080839
    P
    		RHSA-2008:0839: postfix security update (Moderate)
    2008-08-14
    BACK
    wietse_venema postfix 1.0.21
    gentoo linux *
    redhat enterprise linux 3
    redhat enterprise linux 3
    redhat enterprise linux 3
    redhat enterprise linux 3
    mandrakesoft mandrake linux corporate server 3.0
    redhat enterprise linux 4
    redhat enterprise linux 4
    novell linux desktop 9
    redhat enterprise linux 4
    redhat enterprise linux 4
    canonical ubuntu 6.06
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 4.0
    mandrakesoft mandrake linux corporate server 3.0
    redhat enterprise linux 5
    mandrakesoft mandrake linux 2007.1
    mandrakesoft mandrake linux 2008.0
    debian debian linux 4.0
    canonical ubuntu 7.04
    redhat enterprise linux 5
    canonical ubuntu 7.10
    mandrakesoft mandrake linux 2008.0
    mandrakesoft mandrake linux 2008.1 x86_64
    mandrakesoft mandrake linux 2007.1
    novell open enterprise server *
    novell opensuse 10.2
    novell opensuse 10.3
    mandrakesoft mandrake linux 2008.1
    canonical ubuntu 8.04
    novell opensuse 11.0
    novell suse linux enterprise server 10 sp2