4

CVE-2011-3346

Exploit
Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command.  NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Qemu ≫ Qemu Version <= 0.15.1
Qemu ≫ Qemu Version0.15.0 Updaterc1
Qemu ≫ Qemu Version0.15.0 Updaterc2
Redhat ≫ Enterprise Linux Version5
Xen ≫ Xen Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.49% 0.38
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4 1.9 6.9
AV:L/AC:H/Au:N/C:N/I:N/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

http://git.qemu.org/?p=qemu-stable-0.15.git%3Ba=log
http://www.openwall.com/lists/oss-security/2011/10/20/2
http://www.redhat.com/support/errata/RHSA-2011-1401.html
https://bugzilla.redhat.com/show_bug.cgi?id=736038
https://github.com/bonzini/qemu/commit/103b40f51e4012b3b0ad20f615562a1806d7f49a
Patch
Exploit
https://github.com/bonzini/qemu/commit/7285477ab11831b1cf56e45878a89170dd06d9b9
Patch
Exploit