CVE-2010-2524

MEDIUM

Description

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.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c0c03ca54f72fdd5912516ad0a23ec5cf01bda7

http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html

http://marc.info/?l=oss-security&m=128072090331700&w=2

http://marc.info/?l=oss-security&m=128078387328921&w=2

http://marc.info/?l=oss-security&m=128080755321157&w=2

http://secunia.com/advisories/43315

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35

http://www.mandriva.com/security/advisories?name=MDVSA-2010:172

http://www.redhat.com/support/errata/RHSA-2010-0610.html

http://www.securityfocus.com/archive/1/516397/100/0/threaded

http://www.ubuntu.com/usn/USN-1000-1

http://www.vmware.com/security/advisories/VMSA-2011-0003.html

https://bugzilla.redhat.com/show_bug.cgi?id=612166

Details

Source: MITRE

Published: 2010-09-08

Updated: 2020-08-14

Risk Information

CVSS v2.0

Base Score: 4.6

Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:o:vmware:esx:4.0:*:*:*:*:*:*:*

cpe:2.3:o:vmware:esx:4.1:*:*:*:*:*:*:*

Configuration 3

OR

cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:o:suse:suse_linux_enterprise_desktop:11:sp1:*:*:*:*:*:*

cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp1:*:*:*:*:*:*

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
89674VMware ESX / ESXi Third-Party Libraries Multiple Vulnerabilities (VMSA-2011-0003) (remote check)NessusMisc.
critical
83037F5 Networks BIG-IP : Linux kernel vulnerability (SOL16477)NessusF5 Networks Local Security Checks
medium
75548openSUSE Security Update : Kernel (openSUSE-SU-2010:0592-1)NessusSuSE Local Security Checks
high
68081Oracle Linux 5 : kernel (ELSA-2010-0610)NessusOracle Linux Local Security Checks
critical
65101Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1083-1)NessusUbuntu Local Security Checks
critical
60834Scientific Linux Security Update : kernel on SL5.x i386/x86_64NessusScientific Linux Local Security Checks
critical
55170Debian DSA-2264-1 : linux-2.6 - privilege escalation/denial of service/information leakNessusDebian Local Security Checks
high
51971VMSA-2011-0003 : Third-party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESXNessusVMware ESX Local Security Checks
critical
51610SuSE 11.1 Security Update : Linux kernel (SAT Patch Numbers 3068 / 3069 / 3070)NessusSuSE Local Security Checks
critical
50044Ubuntu 6.06 LTS / 8.04 LTS / 9.04 / 9.10 / 10.04 LTS / 10.10 : linux, linux-ec2, linux-source-2.6.15 vulnerabilities (USN-1000-1)NessusUbuntu Local Security Checks
critical
49671openSUSE Security Update : kernel (openSUSE-SU-2010:0664-1)NessusSuSE Local Security Checks
critical
49190Mandriva Linux Security Advisory : kernel (MDVSA-2010:172)NessusMandriva Local Security Checks
high
48312RHEL 5 : kernel (RHSA-2010:0610)NessusRed Hat Local Security Checks
critical
48301CentOS 5 : kernel (CESA-2010:0610)NessusCentOS Local Security Checks
critical
48230Fedora 13 : kernel-2.6.33.6-147.2.4.fc13 (2010-11462)NessusFedora Local Security Checks
medium
48228Fedora 12 : kernel-2.6.32.16-150.fc12 (2010-11412)NessusFedora Local Security Checks
medium
801494CentOS RHSA-2010-0610 Security CheckLog Correlation EngineGeneric
high