Sun Solaris Text Editor ed(1) creates insecure temporary files
| solaris-ed1-tmpfile-insecure (13952) |  High Risk |
Description:
Sun Solaris is vulnerable to a symlink attack, caused by a vulnerability with ed(1), which is a Sun Solaris Text Editor. Ed(1) creates insecure temporary files. By "root" using ed(1), it is possible for an unprivileged local user to create or overwrite files on the system using a symlink attack.
Consequences:
Gain Privileges
Remedy:
Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57443 for more information. See References.
SPARC Platform
Solaris 2.6: 115563-01 or later
Solaris 7: 115565-01 or later
Solaris 8: 110903-06 or later
x86 Platform
Solaris 2.6: 115564-01 or later
Solaris 7: 115566-01 or later
Solaris 8: 110904-06 or later
References:
- Sun Alert ID: 57443: Text Editor ed(1) Creates Temporary Files in an Unsafe Manner .
- BID-9199: Sun Solaris Text Editor ed Temporary File Creation Vulnerability
- BID-92: Kppp Vulnerability
- BID-920: Handspring Visor Network HotSync Vulnerability
- BID-921: SolutionScripts Home Free search.cgi Directory Traversal Vulnerability
- CVE-2003-1056: The ed editor for Sun Solaris 2.6, 7, and 8 allows local users to create or overwrite arbitrary files via a symlink attack on temporary files.
- OSVDB ID: 2955: Solaris ed Insecure Temporary File Creation
- SA10411: Sun Solaris ed Text Editor Insecure Temporary File Creation
Platforms Affected:
- Sun Solaris 2.6
- Sun Solaris 7.0
- Sun Solaris 8
Reported:
Dec 10, 2003
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