Linux kernel ioperm system call could allow unauthorized access to I/O ports
| linux-ioperm-unauth-access (12010) |  High Risk |
Description:
Linux kernel could allow a local attacker to gain unauthorized access to some I/O ports. The ioperm system call, which sets I/O port access permissions, fails to properly restrict privileges. This vulnerability could allow a local attacker to gain read or write access to some I/O ports.
Consequences:
Gain Privileges
Remedy:
For Red Hat Linux:
Upgrade to the latest kernel package, as listed below. Refer to RHSA-2003:172-23 for more information. See References.
Red Hat 7.1, 7.2, and 7.3: 2.4.20-13.7 or later
Red Hat 8.0: 2.4.20-13.8 or later
Red Hat 9: 2.4.20-13.9 or later
For Mandrake Linux 9.1:
Upgrade to the latest version of kernel (2.4.21.0.25mdk-1-1mdk or later), as listed in MandrakeSoft Security Advisory MDKSA-2003:066-2: kernel. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest kernel package (2.2.20-5woody2 or 2.2.20-5woody3 or later), as listed in DSA-336-1. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest kernel powerpc package (2.4.18-1woody1 or later), as listed in DSA-312-1. See References.
For Debian GNU/Linux 3.0 (woody) containing the linux-kernel-2.4.17-s390 package:
Upgrade to the latest kernel package (0.0.20020816-0.woody.2 or later), as listed in DSA-442-1. See References.
For EnGarde Secure Linux Community Edition and Professional Edition:
Upgrade to the latest kernel update, as listed in Guardian Digital Security Advisory ESA-20030515-017. See References.
For Turbolinux:
Upgrade to the latest kernel package, as listed below. Refer to Turbolinux Security Advisory TLSA-2003-41 for more information. See References.
Turbolinux: 2.4.18-13 or later
For Conectiva Linux 8:
Upgrade to the latest version of kernel (2.4.19-1U80_18cl or later), as listed in Conectiva Linux Security Announcement CLSA-2003:796. See References.
For Conectiva Linux 9:
Upgrade to the latest version of kernel (2.4.21-31301U90_4cl or later), as listed in Conectiva Linux Security Announcement CLSA-2003:702. See References.
For Gentoo Linux:
Upgrade to the latest version of gentoo-sources (2.4.20-r6 or later), as listed in Gentoo Linux Security Announcement 200308-01. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Conectiva Linux Security Announcement CLSA-2003:702: kernel.
- Conectiva Linux Security Announcement CLSA-2003:796: kernel.
- Gentoo Linux Security Announcement 200308-01: gentoo-sources.
- Guardian Digital Security Advisory ESA-20030515-017: kernel.
- Linux 2.5 kernel bug tracker: Bugzilla Bug 703 - Security vulnerability in "ioperm" system call.
- Linux-Kernel Mailing List, 2003-05-12 3:03:33: [Bug 703] New: Security vulnerability in "ioperm" system call.
- VulnWatch Mailing List, Tue May 20 2003 - 18:32:17 CDT: Linux 2.4 kernel ioperm vuln.
- BID-7600: Linux Kernel IOPERM System Call I/O Port Access Vulnerability
- CVE-2003-0246: The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.
- DSA-311: linux-kernel-2.4.18 -- several vulnerabilities
- DSA-312: kernel-patch-2.4.18-powerpc -- several vulnerabilities
- DSA-332: linux-kernel-2.4.17 -- several vulnerabilities
- DSA-336: linux-kernel-2.2.20 -- several vulnerabilities
- DSA-442: linux-kernel-2.4.17-s390 -- several vulnerabilities
- MDKSA-2003:066: Updated kernel packages fix multiple vulnerabilities
- MDKSA-2003:066-1: Updated kernel packages fix multiple vulnerabilities
- MDKSA-2003:066-2: Updated kernel packages fix multiple vulnerabilities
- MDKSA-2003:074: Updated kernel packages fix multiple vulnerabilities
- RHSA-2003-147: kernel security update
- RHSA-2003-172: Updated 2.4 kernel fixes security vulnerabilities and various bugs
Platforms Affected:
- Conectiva Linux 8.0
- Conectiva Linux 9.0
- Debian Debian Linux 3.0
- EngardeLinux Secure Linux
- EngardeLinux Secure Professional
- Gentoo Linux
- Linux Kernel 2.4.0
- 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
- Linux Kernel 2.4.19
- Linux Kernel 2.4.2
- Linux Kernel 2.4.20
- 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
- MandrakeSoft Mandrake Linux 8.2
- MandrakeSoft Mandrake Linux 8.2 PPC
- MandrakeSoft Mandrake Linux 9.0
- MandrakeSoft Mandrake Linux 9.1
- MandrakeSoft Mandrake Linux 9.1 PPC
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Multi Network Firewall 8.2
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Linux 7.1
- RedHat Linux 7.2
- RedHat Linux 7.3
- RedHat Linux 8.0
- RedHat Linux 9.0
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 7 Workstation
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux 8 Workstation
Reported:
May 14, 2003
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