Sun Solaris loading of kernel modules allows root privileges

solaris-kernel-module-gain-privilege (14917) The risk level is classified as HighHigh Risk

Description:

Sun Solaris could allow a local attacker to gain elevated privileges on the system, caused by a vulnerability when loading arbitrary kernel modules. A local attacker could exploit this vulnerability to gain root privileges on the system.


Consequences:

Gain Privileges

Remedy:

Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57479 for more information. See References.

SPARC Platform:
Solaris 2.6: 105181-37 or later
Solaris 7: 106541-29 or later
Solaris 8: 108528-27 or later
Solaris 9: 112233-11 or later

x86 Platform:
Solaris 2.6: 105182-37 or later
Solaris 7: 106542-29 or later
Solaris 8: 108529-27 or later
Solaris 9: 112234-11 or later

References:

  • CIAC Information Bulletin O-067: Sun Vulnerability with Loading Arbitrary Kernel Modules.
  • Sun Alert ID: 57479: Security Vulnerability With Loading Arbitrary Kernel Modules in Solaris Kernel.
  • BID-9477: Sun Solaris modload() Unauthorized Kernel Module Loading Vulnerability
  • CVE-2004-1767: The kernel in Solaris 2.6, 7, 8, and 9 allows local users to gain privileges by loading arbitrary loadable kernel modules (LKM), possibly involving the modload function.
  • US-CERT VU#702526: Sun Solaris allows unprivileged local user to load arbitrary kernel modules

Platforms Affected:

  • Sun Solaris 2.6
  • Sun Solaris 7.0
  • Sun Solaris 8
  • Sun Solaris 9

Reported:

Jan 22, 2004

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