QEMU drive_init function security bypass

qemu-driveinit-security-bypass (42268) The risk level is classified as MediumMedium Risk

Description:

QEMU could allow a local attacker to bypass security restrictions caused by an error in the drive_init function. By writing a header to a raw formatted disk image that specifies another image format, an attacker on a guest instance could exploit this vulnerability to read arbitrary files on the host.

Platforms Affected:

  • Fabrice Bellard, QEMU 0.9.1
  • RedHat, Enterprise Linux 5
  • RedHat, Enterprise Linux 5 Client
  • RedHat, RHEL Desktop Multi OS 5 Client
  • RedHat, RHEL Virtualization 5 Server

Remedy:

Refer to the QEMU SVN repository for patch, upgrade or suggested workaround information. See References.

Consequences:

Bypass Security

References:

Reported:

Apr 28, 2008

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