Ypupdated daemon allows remote command execution
| rpc-update (110) |  High Risk |
Description:
By exploiting a vulnerability in how the NIS update daemon rpc.ypupdated passes commands to certain function calls, an attacker could trick the service into executing arbitrary commands on the system with root privileges. Exploit information for this hole has been made widely available.
Platforms Affected:
- HP, HP-UX 10.01
- HP, HP-UX 10.10
- HP, HP-UX 10.20
- IBM, AIX 3.2
- IBM, AIX 4.1
- NEC, ASL UX 4800
- NEC, EWS-UX V
- NEC, UP-UX V
- SGI, IRIX 3.2
- SGI, IRIX 3.3
- SGI, IRIX 3.3.1
- SGI, IRIX 3.3.2
- SGI, IRIX 3.3.3
- SGI, IRIX 4.0
- SGI, IRIX 4.0.1
- SGI, IRIX 4.0.1t
- SGI, IRIX 4.0.2
- SGI, IRIX 4.0.3
- SGI, IRIX 4.0.4
- SGI, IRIX 4.0.4b
- SGI, IRIX 4.0.4t
- SGI, IRIX 4.0.5
- SGI, IRIX 4.0.5a
- SGI, IRIX 4.0.5b
- SGI, IRIX 4.0.5d
- SGI, IRIX 4.0.5e
- SGI, IRIX 4.0.5f
- SGI, IRIX 4.0.5g
- SGI, IRIX 4.0.5h
- SGI, IRIX 4.0.5_iop
- SGI, IRIX 4.0.5_ipr
- SGI, IRIX 5.0
- SGI, IRIX 5.0.1
- SGI, IRIX 5.1
- SGI, IRIX 5.1.1
- SGI, IRIX 5.2
- SGI, IRIX 5.3 XFS
- SGI, IRIX 5.3
- SGI, IRIX 6.0
- SGI, IRIX 6.0.1
- SGI, IRIX 6.1
- Sun, Solaris 10
- Sun, Solaris 10 SPARC
- Sun, Solaris 10 x86
- Sun, Solaris 8 SPARC
- Sun, Solaris 8 x86
- Sun, Solaris 9 x86
- Sun, Solaris 9 SPARC
Remedy:
Disable the ypupdated process as listed in CERT Advisory CA-1995-17 and Silicon Graphics Inc. Security Advisory 19951201-01-P. See References.
Consequences:
Gain Access
References:
- CERT Advisory CA-1995-17, rpc.ypupdated Vulnerability at http://www.cert.org/advisories/CA-1995-17.html.
- SGI Security Advisory 19951201-01-P, Avalon Security Research - rpc.ypupdate slammer exploit at ftp://patches.sgi.com/support/free/security/advisories/19951201-01-P.
- Sun Alert ID: 238365, A Security Vulnerability in rpc.ypupdated(1M) may allow execution of Arbitrary Code when run in Insecure Mode at http://sunsolve.sun.com/search/document.do?assetkey=1-66-238365-1.
- BID-1749: Multiple Vendor RPC.YPUpdated Command Execution Vulnerability
- CVE-1999-0208: rpc.ypupdated (NIS) allows remote users to execute arbitrary commands.
Reported:
Dec 01, 1995
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 (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.
Copyright (c) 1994-2008 Internet Security Systems, Inc. All rights reserved worldwide.
For corrections or additions please email xforce@iss.net