vulnwire
6.7med

CVE-2016-4439

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
6.7
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 40%
Public exploits
0
none known

The esp_reg_write function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check command buffer length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or potentially execute arbitrary code on the QEMU host via unspecified vectors.

Exploit prediction (EPSS)

0.46% probability of exploitation in the next 30 days, higher than 40% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.7CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • ubuntu.com /usn/USN-3047-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/90760 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201609-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • ubuntu.com /usn/USN-3047-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-05/msg03273.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/05/19/3 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00038.html · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1337502 · x_refsource_CONFIRM, x_transferred

Sources

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