An issue was discovered in ide_dma_cb() in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSI_IOCTL_SEND_COMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 (the size of a sector). NOTE: a member of the QEMU security team disputes the significance of this issue because a "privileged guest user has many ways to cause similar DoS effect without triggering this assert.

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UMN Gopherd 2.x Halidate Function Buffer Overflow Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/1591/info It is possible to either execute arbitrary code or crash a remote system running University of Minnesota's Gopher Daemon, depending on the data entered. An unchecked buffer exists in the 'halidate' function of...