IRIX xfsmd allows remote attacker to bypass authentication
| irix-xfsmd-bypass-authentication (9401) |  High Risk |
Description:
The xfsmd daemon in SGI IRIX could allow a remote attacker to bypass the AUTH_UNIX authentication scheme and execute RPC functions to gain root privileges on the system.
Platforms Affected:
- SGI, IRIX 6.2
- SGI, IRIX 6.3
- SGI, IRIX 6.4
- SGI, IRIX 6.5
- SGI, IRIX 6.5 20
- SGI, IRIX 6.5.1
- SGI, IRIX 6.5.10
- SGI, IRIX 6.5.10f
- SGI, IRIX 6.5.10m
- SGI, IRIX 6.5.11
- SGI, IRIX 6.5.11f
- SGI, IRIX 6.5.11m
- SGI, IRIX 6.5.12
- SGI, IRIX 6.5.12f
- SGI, IRIX 6.5.12m
- SGI, IRIX 6.5.13
- SGI, IRIX 6.5.13f
- SGI, IRIX 6.5.13m
- SGI, IRIX 6.5.14
- SGI, IRIX 6.5.14f
- SGI, IRIX 6.5.14m
- SGI, IRIX 6.5.15
- SGI, IRIX 6.5.15f
- SGI, IRIX 6.5.15m
- SGI, IRIX 6.5.16
- SGI, IRIX 6.5.16f
- SGI, IRIX 6.5.16m
- SGI, IRIX 6.5.17
- SGI, IRIX 6.5.17f
- SGI, IRIX 6.5.17m
- SGI, IRIX 6.5.18
- SGI, IRIX 6.5.18f
- SGI, IRIX 6.5.18m
- SGI, IRIX 6.5.19
- SGI, IRIX 6.5.19f
- SGI, IRIX 6.5.19m
- SGI, IRIX 6.5.2
- SGI, IRIX 6.5.20
- SGI, IRIX 6.5.20f
- SGI, IRIX 6.5.20m
- SGI, IRIX 6.5.21
- SGI, IRIX 6.5.21f
- SGI, IRIX 6.5.21m
- SGI, IRIX 6.5.22
- SGI, IRIX 6.5.22m
- SGI, IRIX 6.5.23
- SGI, IRIX 6.5.23m
- SGI, IRIX 6.5.24
- SGI, IRIX 6.5.24m
- SGI, IRIX 6.5.25
- SGI, IRIX 6.5.26
- SGI, IRIX 6.5.27
- SGI, IRIX 6.5.28
- SGI, IRIX 6.5.2f
- SGI, IRIX 6.5.2m
- SGI, IRIX 6.5.3
- SGI, IRIX 6.5.3f
- SGI, IRIX 6.5.3m
- SGI, IRIX 6.5.4
- SGI, IRIX 6.5.4f
- SGI, IRIX 6.5.4m
- SGI, IRIX 6.5.5
- SGI, IRIX 6.5.5f
- SGI, IRIX 6.5.5m
- SGI, IRIX 6.5.6
- SGI, IRIX 6.5.6f
- SGI, IRIX 6.5.6m
- SGI, IRIX 6.5.7
- SGI, IRIX 6.5.7f
- SGI, IRIX 6.5.7m
- SGI, IRIX 6.5.8
- SGI, IRIX 6.5.8f
- SGI, IRIX 6.5.8m
- SGI, IRIX 6.5.9
- SGI, IRIX 6.5.9f
- SGI, IRIX 6.5.9m
Remedy:
The xfsmserv product is no longer supported. Disable or uninstall the xfsmd daemon, as listed in SGI Security Advisory 20020605-01-I. See References.
Consequences:
Gain Privileges
References:
- BugTraq Mailing List, Thu Jun 20 2002 - 17:19:51 CDT, [LSD] IRIX rpc.xfsmd multiple remote root vulnerabilities at http://archives.neohapsis.com/archives/bugtraq/2002-06/0252.html.
- SGI Security Advisory 20020605-01-I, xfsmd vulnerability at ftp://patches.sgi.com/support/free/security/advisories/20020606-01-I.
- BID-5072: SGI IRIX rpc.xfsmd Weak Authentication Vulnerability
- CVE-2002-0359: xfsmd for IRIX 6.5 through 6.5.16 uses weak authentication, which allows remote attackers to call dangerous RPC functions, including those that can mount or unmount xfs file systems, to gain root privileges.
- US-CERT VU#195371: SGI IRIX rpc.xfsmd does not filter shell metacharacters from user input before invoking popen() function
- US-CERT VU#521147: SGI IRIX rpc.xfsmd uses weak authentication mechanism for RPC authentication
Reported:
Jun 20, 2002
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