Vulnerability Details : CVE-2016-4441
The get_cmd function in hw/scsi/esp.c in the 53C9X Fast SCSI Controller (FSC) support in QEMU does not properly check DMA length, which allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via unspecified vectors, involving an SCSI command.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-4441
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4441
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4441
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
6.0
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
1.5
|
4.0
|
NIST |
CWE ids for CVE-2016-4441
-
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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4441
-
http://www.securityfocus.com/bid/90762
QEMU CVE-2016-4441 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2016/05/19/4
oss-security - CVE-2016-4441 Qemu: scsi: esp: OOB write while writing to 's-cmdbuf' in get_cmdMailing List;Patch;Third Party Advisory
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http://www.ubuntu.com/usn/USN-3047-1
USN-3047-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.ubuntu.com/usn/USN-3047-2
USN-3047-2: QEMU regression | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
[SECURITY] [DLA 1599-1] qemu security updateMailing List;Third Party Advisory
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https://security.gentoo.org/glsa/201609-01
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo securityThird Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1337505
1337505 – (CVE-2016-4441) CVE-2016-4441 Qemu: scsi: esp: OOB write while writing to 's->cmdbuf' in get_cmdIssue Tracking;Third Party Advisory;VDB Entry
-
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03274.html
[Qemu-devel] [PATCH 2/2] scsi: check dma length before reading scsi commMailing List;Patch;Third Party Advisory
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