#VU92864 Security restrictions bypass in Linux kernel - CVE-2007-3740
Vulnerability identifier: #VU92864
Vulnerability risk: Low
CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2007-3740
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
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.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html
https://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html
https://secunia.com/advisories/26760
https://secunia.com/advisories/26955
https://secunia.com/advisories/26978
https://secunia.com/advisories/27436
https://secunia.com/advisories/27747
https://secunia.com/advisories/27912
https://secunia.com/advisories/28806
https://secunia.com/advisories/29058
https://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
https://www.debian.org/security/2007/dsa-1378
https://www.debian.org/security/2008/dsa-1504
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22
https://www.mandriva.com/security/advisories?name=MDVSA-2008:008
https://www.mandriva.com/security/advisories?name=MDVSA-2008:105
https://www.redhat.com/support/errata/RHSA-2007-0705.html
https://www.redhat.com/support/errata/RHSA-2007-0939.html
https://www.securityfocus.com/bid/25672
https://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
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
