SB2007091401 - Security restrictions bypass in Linux kernel
Published: September 14, 2007
Security Bulletin ID
SB2007091401
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2007-3740)
The vulnerability allows a local user to read and manipulate data.
The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
- http://secunia.com/advisories/26760
- http://secunia.com/advisories/26955
- http://secunia.com/advisories/26978
- http://secunia.com/advisories/27436
- http://secunia.com/advisories/27747
- http://secunia.com/advisories/27912
- http://secunia.com/advisories/28806
- http://secunia.com/advisories/29058
- http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
- http://www.debian.org/security/2007/dsa-1378
- http://www.debian.org/security/2008/dsa-1504
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:008
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:105
- http://www.redhat.com/support/errata/RHSA-2007-0705.html
- http://www.redhat.com/support/errata/RHSA-2007-0939.html
- http://www.securityfocus.com/bid/25672
- http://www.ubuntu.com/usn/usn-518-1
- https://bugzilla.redhat.com/show_bug.cgi?id=253314
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36593
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9953