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Vulnerability Details : CVE-2010-2524

The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a user's keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a "cache stuffing" issue and MS-DFS referrals.
Publish Date : 2010-09-08 Last Update Date : 2020-08-14
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
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)
CWE ID CWE id is not defined for this vulnerability

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.4
AV:L/AC:M/Au:N/C:P/I:P/A:P 2010-07-07 2010-07-22
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2010-2524 oval:org.opensuse.security:def:20102524 unix
DEPRECATED: ELSA-2010-0610 -- kernel security and bug fix update (important) oval:org.mitre.oval:def:27493 unix
DSA-2264-1 linux-2.6 -- privilege escalation/denial of service/information leak oval:org.mitre.oval:def:12997 unix
ELSA-2010:0610: kernel security and bug fix update (Important) oval:org.mitre.oval:def:23058 unix
RHSA-2010:0610: kernel security and bug fix update (Important) oval:org.mitre.oval:def:22091 unix
RHSA-2010:0610: kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20100610 unix
Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX oval:org.mitre.oval:def:19850 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-2010-2524

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 6.06 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 8.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 9.04 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 9.10 * * * Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 10.04 * * * Version Details Vulnerabilities
6 OS Canonical Ubuntu Linux 10.10 * * * Version Details Vulnerabilities
7 OS Linux Linux Kernel * * * * Version Details Vulnerabilities
8 OS Suse Suse Linux Enterprise Desktop 11 SP1 * * Version Details Vulnerabilities
9 OS Suse Suse Linux Enterprise Server 11 SP1 * * Version Details Vulnerabilities
10 OS Vmware ESX 4.0 * * * Version Details Vulnerabilities
11 OS Vmware ESX 4.1 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 6
Linux Linux Kernel 1
Suse Suse Linux Enterprise Desktop 1
Suse Suse Linux Enterprise Server 1
Vmware ESX 2

- References For CVE-2010-2524

http://www.securityfocus.com/archive/1/516397/100/0/threaded
BUGTRAQ 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX
http://www.vmware.com/security/advisories/VMSA-2011-0003.html CONFIRM
http://secunia.com/advisories/43315
SECUNIA 43315
http://www.ubuntu.com/usn/USN-1000-1
UBUNTU USN-1000-1
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
SUSE SUSE-SA:2010:040
http://www.redhat.com/support/errata/RHSA-2010-0610.html
REDHAT RHSA-2010:0610
http://www.mandriva.com/security/advisories?name=MDVSA-2010:172
MANDRIVA MDVSA-2010:172
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c0c03ca54f72fdd5912516ad0a23ec5cf01bda7 CONFIRM
http://marc.info/?l=oss-security&m=128072090331700&w=2
MLIST [oss-security] 20100802 CVE-2010-2524 kernel: dns_resolver upcall security issue
https://bugzilla.redhat.com/show_bug.cgi?id=612166 CONFIRM
http://marc.info/?l=oss-security&m=128078387328921&w=2
MLIST [oss-security] 20100802 Re: CVE-2010-2524 kernel: dns_resolver upcall security issue
http://marc.info/?l=oss-security&m=128080755321157&w=2
MLIST [oss-security] 20100803 Re: CVE-2010-2524 kernel: dns_resolver upcall security issue
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35 CONFIRM

- Metasploit Modules Related To CVE-2010-2524

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


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