CVE-2006-3626 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
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Base Score:  N/A
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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

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/

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

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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
Source:
MITRE