Sun Solaris newgrp(1) command buffer overflow
| solaris-newgrp-bo (19729) |  High Risk |
Description:
Sun Solaris is vulnerable to a buffer overflow, caused by improper bounds checking of user-supplied input in the newgrp(1) command. A local attacker could overflow a buffer in the newgrp(1) command to execute arbitrary code on the system with root privileges.
Platforms Affected:
- Sun, Solaris 7.0 SPARC
- Sun, Solaris 7.0 x86
- Sun, Solaris 8 SPARC
- Sun, Solaris 8 x86
- Sun, Solaris 9 SPARC
- Sun, Solaris 9 x86
Remedy:
For Sun Solaris:
Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57710 for more information. See References.
Solaris 7 (SPARC): 118737-01 or later
Solaris 8 (SPARC): 116993-01 or later
Solaris 9 (SPARC)h: 117445-01 or later
Solaris 7 (x86): 118738-01 or later
Solaris 8 (x86)h: 116994-01 or later
Solaris 9 (x86): 117446-01 or later
Consequences:
Gain Privileges
References:
- Sun Alert ID: 57710, Security Vulnerability in the newgpr(1) Command May Allow Unauthorized Root Privileges at http://sunsolve.sun.com/search/document.do?assetkey=1-26-57710-1&searchclause=.
- BID-12838: Sun Solaris NewGRP Local Buffer Overflow Vulnerability
- CVE-2005-0816: Buffer overflow in newgrp in Solaris 7 through 9 allows local users to gain root privileges.
- SECTRACK ID: 1013462: Sun Solaris newgrp(1) Buffer Overflow Lets Remote Users Gain Root Privileges
Reported:
Mar 16, 2005
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