Linux kernel MOXA serial driver buffer overflow

linux-moxa-bo (18821) The risk level is classified as HighHigh Risk

Description:

Linux kernel is vulnerable to a buffer overflow, caused by improper bounds checking by several MOXA serial driver functions. With elevated privileges, a local attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system.

Platforms Affected:

  • Canonical, Ubuntu 6.06 LTS
  • Debian, Debian Linux 3.0
  • Linux, Kernel 2.2.0
  • Linux, Kernel 2.2.1
  • Linux, Kernel 2.2.10
  • Linux, Kernel 2.2.11
  • Linux, Kernel 2.2.12
  • Linux, Kernel 2.2.13
  • Linux, Kernel 2.2.14
  • Linux, Kernel 2.2.15 pre20
  • Linux, Kernel 2.2.15 pre16
  • Linux, Kernel 2.2.15
  • Linux, Kernel 2.2.16
  • Linux, Kernel 2.2.16 pre6
  • Linux, Kernel 2.2.17
  • Linux, Kernel 2.2.18
  • Linux, Kernel 2.2.19
  • Linux, Kernel 2.2.2
  • Linux, Kernel 2.2.20
  • Linux, Kernel 2.2.21
  • Linux, Kernel 2.2.22
  • Linux, Kernel 2.2.23
  • Linux, Kernel 2.2.24
  • Linux, Kernel 2.2.25
  • Linux, Kernel 2.2.3
  • Linux, Kernel 2.2.4
  • Linux, Kernel 2.2.5
  • Linux, Kernel 2.2.6
  • Linux, Kernel 2.2.7
  • Linux, Kernel 2.2.8
  • Linux, Kernel 2.2.9
  • Linux, Kernel 2.3.0
  • Linux, Kernel 2.3.99 pre7
  • Linux, Kernel 2.3.99 pre6
  • Linux, Kernel 2.3.99 pre3
  • Linux, Kernel 2.3.99 pre2
  • Linux, Kernel 2.3.99 pre1
  • Linux, Kernel 2.3.99
  • Linux, Kernel 2.3.99 pre4
  • Linux, Kernel 2.3.99 pre5
  • Linux, Kernel 2.4.0 test2
  • Linux, Kernel 2.4.0 test12
  • Linux, Kernel 2.4.0 test11
  • Linux, Kernel 2.4.0 test10
  • Linux, Kernel 2.4.0 test1
  • Linux, Kernel 2.4.0
  • Linux, Kernel 2.4.0 test3
  • Linux, Kernel 2.4.0 test9
  • Linux, Kernel 2.4.0 test8
  • Linux, Kernel 2.4.0 test7
  • Linux, Kernel 2.4.0 test6
  • Linux, Kernel 2.4.0 test5
  • Linux, Kernel 2.4.0 test4
  • Linux, Kernel 2.4.1
  • Linux, Kernel 2.4.10
  • Linux, Kernel 2.4.11
  • Linux, Kernel 2.4.12
  • Linux, Kernel 2.4.13
  • Linux, Kernel 2.4.14
  • Linux, Kernel 2.4.15
  • Linux, Kernel 2.4.16
  • Linux, Kernel 2.4.17
  • Linux, Kernel 2.4.18 x86
  • Linux, Kernel 2.4.18
  • Linux, Kernel 2.4.18 pre5
  • Linux, Kernel 2.4.18 pre6
  • Linux, Kernel 2.4.18 pre7
  • Linux, Kernel 2.4.18 pre8
  • Linux, Kernel 2.4.18 pre1
  • Linux, Kernel 2.4.18 pre2
  • Linux, Kernel 2.4.18 pre3
  • Linux, Kernel 2.4.18 pre4
  • Linux, Kernel 2.4.19
  • Linux, Kernel 2.4.19 pre1
  • Linux, Kernel 2.4.19 pre2
  • Linux, Kernel 2.4.19 pre3
  • Linux, Kernel 2.4.19 pre4
  • Linux, Kernel 2.4.19 pre5
  • Linux, Kernel 2.4.19 pre6
  • Linux, Kernel 2.4.2
  • Linux, Kernel 2.4.20
  • Linux, Kernel 2.4.21
  • Linux, Kernel 2.4.21 pre1
  • Linux, Kernel 2.4.21 pre4
  • Linux, Kernel 2.4.21 pre7
  • Linux, Kernel 2.4.22
  • Linux, Kernel 2.4.23
  • Linux, Kernel 2.4.23 pre9
  • Linux, Kernel 2.4.23 ow2
  • Linux, Kernel 2.4.24 ow1
  • Linux, Kernel 2.4.24
  • Linux, Kernel 2.4.25
  • Linux, Kernel 2.4.26
  • Linux, Kernel 2.4.27 pre3
  • Linux, Kernel 2.4.27 pre2
  • Linux, Kernel 2.4.27 pre1
  • Linux, Kernel 2.4.27 pre4
  • Linux, Kernel 2.4.27
  • Linux, Kernel 2.4.27 pre5
  • Linux, Kernel 2.4.28
  • Linux, Kernel 2.4.29 rc2
  • Linux, Kernel 2.4.3
  • Linux, Kernel 2.4.4
  • Linux, Kernel 2.4.5
  • Linux, Kernel 2.4.6
  • Linux, Kernel 2.4.7
  • Linux, Kernel 2.4.8
  • Linux, Kernel 2.4.9
  • Linux, Kernel 2.5.0
  • Linux, Kernel 2.5.1
  • Linux, Kernel 2.5.10
  • Linux, Kernel 2.5.11
  • Linux, Kernel 2.5.12
  • Linux, Kernel 2.5.13
  • Linux, Kernel 2.5.14
  • Linux, Kernel 2.5.15
  • Linux, Kernel 2.5.16
  • Linux, Kernel 2.5.17
  • Linux, Kernel 2.5.18
  • Linux, Kernel 2.5.19
  • Linux, Kernel 2.5.2
  • Linux, Kernel 2.5.20
  • Linux, Kernel 2.5.21
  • Linux, Kernel 2.5.22
  • Linux, Kernel 2.5.23
  • Linux, Kernel 2.5.24
  • Linux, Kernel 2.5.25
  • Linux, Kernel 2.5.26
  • Linux, Kernel 2.5.27
  • Linux, Kernel 2.5.28
  • Linux, Kernel 2.5.29
  • Linux, Kernel 2.5.3
  • Linux, Kernel 2.5.30
  • Linux, Kernel 2.5.31
  • Linux, Kernel 2.5.32
  • Linux, Kernel 2.5.33
  • Linux, Kernel 2.5.34
  • Linux, Kernel 2.5.35
  • Linux, Kernel 2.5.36
  • Linux, Kernel 2.5.37
  • Linux, Kernel 2.5.38
  • Linux, Kernel 2.5.39
  • Linux, Kernel 2.5.4
  • Linux, Kernel 2.5.40
  • Linux, Kernel 2.5.41
  • Linux, Kernel 2.5.42
  • Linux, Kernel 2.5.43
  • Linux, Kernel 2.5.44
  • Linux, Kernel 2.5.45
  • Linux, Kernel 2.5.46
  • Linux, Kernel 2.5.47
  • Linux, Kernel 2.5.48
  • Linux, Kernel 2.5.49
  • Linux, Kernel 2.5.5
  • Linux, Kernel 2.5.50
  • Linux, Kernel 2.5.51
  • Linux, Kernel 2.5.52
  • Linux, Kernel 2.5.53
  • Linux, Kernel 2.5.54
  • Linux, Kernel 2.5.55
  • Linux, Kernel 2.5.56
  • Linux, Kernel 2.5.57
  • Linux, Kernel 2.5.58
  • Linux, Kernel 2.5.59
  • Linux, Kernel 2.5.6
  • Linux, Kernel 2.5.60
  • Linux, Kernel 2.5.61
  • Linux, Kernel 2.5.62
  • Linux, Kernel 2.5.63
  • Linux, Kernel 2.5.64
  • Linux, Kernel 2.5.65
  • Linux, Kernel 2.5.66
  • Linux, Kernel 2.5.67
  • Linux, Kernel 2.5.68
  • Linux, Kernel 2.5.69
  • Linux, Kernel 2.5.7
  • Linux, Kernel 2.5.8
  • Linux, Kernel 2.5.9
  • Linux, Kernel 2.6.0 test11
  • Linux, Kernel 2.6.0 test2
  • Linux, Kernel 2.6.0 test3
  • Linux, Kernel 2.6.0 test4
  • Linux, Kernel 2.6.0 test5
  • Linux, Kernel 2.6.0 test6
  • Linux, Kernel 2.6.0 test7
  • Linux, Kernel 2.6.0 test8
  • Linux, Kernel 2.6.0 test9
  • Linux, Kernel 2.6.0 test9-cvs
  • Linux, Kernel 2.6.0 test10
  • Linux, Kernel 2.6.0
  • Linux, Kernel 2.6.0 test1
  • Linux, Kernel 2.6.1 rc2
  • Linux, Kernel 2.6.1 rc1
  • Linux, Kernel 2.6.1
  • Linux, Kernel 2.6.10
  • Linux, Kernel 2.6.10 rc2
  • Linux, Kernel 2.6.2
  • Linux, Kernel 2.6.21 rc7
  • Linux, Kernel 2.6.3
  • Linux, Kernel 2.6.4
  • Linux, Kernel 2.6.5
  • Linux, Kernel 2.6.6
  • Linux, Kernel 2.6.6 rc1
  • Linux, Kernel 2.6.7
  • Linux, Kernel 2.6.7 rc1
  • Linux, Kernel 2.6.8 rc3
  • Linux, Kernel 2.6.8 rc1
  • Linux, Kernel 2.6.8 rc2
  • Linux, Kernel 2.6.8
  • Novell, Linux Desktop 9
  • RedHat, Enterprise Linux 2.1 WS
  • RedHat, Enterprise Linux 2.1 AS
  • RedHat, Enterprise Linux 2.1 ES
  • RedHat, Enterprise Linux 3 ES
  • RedHat, Enterprise Linux 3 AS
  • RedHat, Enterprise Linux 3 WS
  • RedHat, Enterprise Linux 3 Desktop
  • RedHat, Enterprise Linux 4 ES
  • RedHat, Enterprise Linux 4 AS
  • RedHat, Enterprise Linux 4 WS
  • RedHat, Enterprise Linux 4 Desktop
  • RedHat, Linux Advanced Workstation 2.1 Itanium
  • SuSE, Linux Enterprise Server 8
  • SuSE, Linux Enterprise Server 9
  • SuSE, SuSE Linux 8.1
  • SuSE, SuSE Linux 8.2
  • SuSE, SuSE Linux 9.0
  • SuSE, SuSE Linux 9.1
  • SuSE, SuSE Linux 9.2
  • SuSE, SuSE Linux Desktop 1.0
  • SuSE, SuSE SLES 9

Remedy:

For SUSE Linux:
Upgrade to the latest kernel, as listed below. Refer to SUSE Security Announcement SUSE-SA:2005:018 for more information. See References.

x86:
SUSE Linux 9.2: 2.6.8-24.13 or later
SUSE Linux 9.1: 2.6.5-7.151 or later
SUSE Linux 9.0: 2.4.21-280 or later
SUSE Linux 8.2: 2.4.20.SUSE-131 or later

x86-64 Platform:
SUSE Linux 9.2: 2.6.8-24.13 or later
SUSE Linux 9.1: 2.6.5-7.151 or later
SUSE Linux 9.0: 2.4.21-280 or later

For Red Hat Linux:
Refer to RHSA-2005:663-19, RHSA-2005:529-12, or RHSA-2005:551-09 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux:
Refer to DSA-1070-1, DSA-1069-1, DSA-1067-1, or DSA-1082-1 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux (linux-source):
Refer to USN-508-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

Consequences:

Gain Privileges

References:

  • Full-Disclosure Mailing List, Fri Jan 07 2005 - 12:18:53 CST , grsecurity 2.1.0 release / 5 Linux kernel advisories at http://archives.neohapsis.com/archives/fulldisclosure/2005-01/0225.html.
  • ASA-2008-225: kernel security and bug fix update (RHSA-2008-0237)
  • BID-12195: Linux Kernel Multiple Local MOXA Serial Driver Buffer Overflow Vulnerabilities
  • CVE-2005-0504: Buffer overflow in the MoxaDriverIoctl function for the moxa serial driver (moxa.c) in Linux 2.2.x, 2.4.x, and 2.6.x before 2.6.22 allows local users to execute arbitrary code via a certain modified length value.
  • DSA-1067: kernel-source-2.4.16 -- several vulnerabilities
  • DSA-1069: kernel-source-2.4.18 -- several vulnerabilities
  • DSA-1070: kernel-source-2.4.19 -- several vulnerabilities
  • DSA-1082: kernel-source-2.4.17 -- several vulnerabilities
  • RHSA-2005-529: kernel security update
  • RHSA-2005-551: kernel security update
  • RHSA-2005-663: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 6
  • RHSA-2008-0237: Important: kernel security and bug fix update
  • SECTRACK ID: 1013273: Linux Kernel Buffer Overflows in Moxa Char Driver Yield Root Privileges to Local Users
  • SUSE-SA:2005:018: kernel: remote denial of service
  • USN-508-1: Linux kernel vulnerabilities

Reported:

Jan 10, 2005

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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