FreeBSD binary information disclosure

freebsd-binary-information-disclosure (16558) The risk level is classified as MediumMedium Risk

Description:

FreeBSD could allow a local attacker to obtain sensitive information, when specific Linux system calls are handled without proper verification. A local attacker could exploit this vulnerability to view or overwrite portions of the system memory, allowing the attacker to obtain sensitive information, gain elevated privileges, or possibly cause a system panic.


Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of FreeBSD (4.STABLE or to the RELENG_5_2, RELENG_4_10, RELENG_4_9, or RELENG_4_8 security branch dated later than 2004-06-30), as listed in FreeBSD Security Advisory FreeBSD-SA-04:13.linux. See References.

— OR —

Apply the patch for this vulnerability, as listed in FreeBSD Security Advisory FreeBSD-SA-04:13.linux. See References.

— OR —

As a workaround, disable the Linux binary, as listed in FreeBSD Security Advisory FreeBSD-SA-04:13.linux. See References.

References:

  • FreeBSD Security Advisory FreeBSD-SA-04:13.linux: Linux binary compatibility mode input validation error.
  • BID-10643: FreeBSD Linux Binary Compatibility Memory Access Vulnerability
  • CVE-2004-0602: The binary compatibility mode for FreeBSD 4.x and 5.x does not properly handle certain Linux system calls, which could allow local users to access kernel memory to gain privileges or cause a system panic.

Platforms Affected:

  • FreeBSD FreeBSD 4.0
  • FreeBSD FreeBSD 4.0 Alpha
  • FreeBSD FreeBSD 4.1
  • FreeBSD FreeBSD 4.1.1
  • FreeBSD FreeBSD 4.10
  • FreeBSD FreeBSD 4.2
  • FreeBSD FreeBSD 4.3
  • FreeBSD FreeBSD 4.4
  • FreeBSD FreeBSD 4.5
  • FreeBSD FreeBSD 4.6
  • FreeBSD FreeBSD 4.6.2
  • FreeBSD FreeBSD 4.7
  • FreeBSD FreeBSD 4.8
  • FreeBSD FreeBSD 4.9
  • FreeBSD FreeBSD 5.0 Alpha
  • FreeBSD FreeBSD 5.0
  • FreeBSD FreeBSD 5.1
  • FreeBSD FreeBSD 5.2

Reported:

Jul 01, 2004

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 (IBM 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.

For corrections or additions please email xforce@iss.net

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