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Vulnerability Details : CVE-2008-2931

The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
Publish Date : 2008-07-09 Last Update Date : 2020-08-06
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- CVSS Scores & Vulnerability Types

CVSS Score
7.2
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 269

- Vendor Statements

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2008-0885.html
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important 2007-05-09 2007-05-08
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-2931 oval:org.opensuse.security:def:20082931 unix
DSA-1630 linux-2.6 -- denial of service/information leak oval:org.mitre.oval:def:8183 unix
DSA-1630-1 fai-kernels linux-2.6 user-mode-linux - several vulnerabilities oval:org.mitre.oval:def:18465 unix
ELSA-2008:0885: kernel security and bug fix update (Important) oval:org.mitre.oval:def:22656 unix
RHSA-2008:0885 -- kernel security and bug fix update (Important) oval:org.mitre.oval:def:29129 unix
RHSA-2008:0885: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20080885 unix
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the ... oval:org.mitre.oval:def:10437 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2008-2931

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 6.06 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 7.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 7.10 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 8.04 * * * Version Details Vulnerabilities
5 OS Debian Debian Linux 4.0 * * * Version Details Vulnerabilities
6 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
7 OS Novell Suse Linux Enterprise Desktop 10.0 SP1 * * Version Details Vulnerabilities
8 OS Novell Suse Linux Enterprise Desktop 10.0 SP2 * * Version Details Vulnerabilities
9 OS Novell Suse Linux Enterprise Server 10.0 SP1 * * Version Details Vulnerabilities
10 OS Novell Suse Linux Enterprise Server 10.0 SP2 * * Version Details Vulnerabilities
11 OS Opensuse Opensuse * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
Linux Linux Kernel 1
Novell Suse Linux Enterprise Desktop 2
Novell Suse Linux Enterprise Server 2
Opensuse Opensuse 1

- References For CVE-2008-2931

http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html
SUSE SUSE-SR:2008:025
http://www.securityfocus.com/bid/30126
BID 30126 Linux Kernel 'do_change_type()' Local Security Bypass Vulnerability Release Date:2008-11-15
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00007.html
SUSE SUSE-SA:2008:035
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00012.html
SUSE SUSE-SA:2008:038
http://secunia.com/advisories/31614
SECUNIA 31614
http://www.redhat.com/support/errata/RHSA-2008-0885.html
REDHAT RHSA-2008:0885
http://secunia.com/advisories/32023
SECUNIA 32023
http://secunia.com/advisories/31551
SECUNIA 31551
http://www.debian.org/security/2008/dsa-1630
DEBIAN DSA-1630
http://secunia.com/advisories/32759
SECUNIA 32759
https://bugzilla.redhat.com/show_bug.cgi?id=454388 CONFIRM
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22 CONFIRM
http://www.openwall.com/lists/oss-security/2008/07/08/3
MLIST [oss-security] 20080708 CVE-2008-2931 kernel: missing check before setting mount propagation
http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00003.html
SUSE SUSE-SA:2008:049
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ee6f958291e2a768fd727e7a67badfff0b67711a CONFIRM
http://www.openwall.com/lists/oss-security/2008/07/08/4
MLIST [oss-security] 20080708 Re: CVE-2008-2931 kernel: missing check before setting mount propagation
http://secunia.com/advisories/30982
SECUNIA 30982
https://exchange.xforce.ibmcloud.com/vulnerabilities/43696
XF linux-kernel-dochangetype-priv-escalation(43696)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437
OVAL oval:org.mitre.oval:def:10437
https://usn.ubuntu.com/637-1/
UBUNTU USN-637-1

- Metasploit Modules Related To CVE-2008-2931

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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