National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-3626 Detail

Description

Race condition in Linux kernel 2.6.17.4 and earlier allows local users to gain root privileges by using prctl with PR_SET_DUMPABLE in a way that causes /proc/self/environ to become setuid root.

Source:  MITRE
Description Last Modified:  07/18/2006

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.2 MEDIUM
Vector: (AV:L/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Provides administrator access
Allows unauthorized disclosure of information
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (07/19/2006)

This vulnerability does not affect Red Hat Enterprise Linux 2.1 or 3 as they are based on 2.4 kernels. The exploit relies on the kernel supporting the a.out binary format. Red Hat Enterprise Linux 4, Fedora Core 4, and Fedora Core 5 do not support the a.out binary format, causing the exploit to fail. We are not currently aware of any way to exploit this vulnerability if a.out binary format is not enabled. In addition, a default installation of these OS enables SELinux in enforcing mode. SELinux also completely blocks attempts to exploit this issue. https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198973#c10

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.5
http://lists.grok.org.uk/pipermail/full-disclosure/2006-July/047907.html
http://support.avaya.com/elmodocs2/security/ASA-2006-203.htm
http://www.debian.org/security/2006/dsa-1111
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blobdiff;h=0cb8f20d000c25118947fcafa81606300ced35f8;hp=243a94af0427b2630fb85f489a5419410dac3bfc;hb=18b0bbd8ca6d3cb90425aa0d77b99a762c6d6de3;f=fs/proc/base.c
http://www.mandriva.com/security/advisories?name=MDKSA-2006:124
http://www.novell.com/linux/security/advisories/2006_17_sr.html
http://www.novell.com/linux/security/advisories/2006_42_kernel.html
http://www.novell.com/linux/security/advisories/2006_47_kernel.html
http://www.novell.com/linux/security/advisories/2006_49_kernel.html
http://www.redhat.com/support/errata/RHSA-2006-0617.html
http://www.securityfocus.com/archive/1/440300/100/0/threaded
http://www.securityfocus.com/bid/18992
http://www.ubuntu.com/usn/usn-319-2
http://www.vupen.com/english/advisories/2006/2816
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=198973
https://exchange.xforce.ibmcloud.com/vulnerabilities/27790
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10060
https://usn.ubuntu.com/319-1/

References to Check Content

Identifier:
oval:org.mitre.oval:def:10060
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10060

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.4:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.5:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.6:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.7:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.8:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.9:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.10:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.11:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.12:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.13:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.14:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.15:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.16:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.18:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.19:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.20:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.21:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.22:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.23:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.16.24:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17.2:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17.3:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.17.4:*:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2006-3626
NVD Published Date:
07/18/2006
NVD Last Modified:
10/18/2018