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
Exploit prediction scoring system (EPSS) score for CVE-2016-4441
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 25 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-4441
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4441
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http://www.securityfocus.com/bid/90762
QEMU CVE-2016-4441 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
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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
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http://www.ubuntu.com/usn/USN-3047-2
USN-3047-2: QEMU regression | Ubuntu security noticesThird Party Advisory
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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
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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
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:*:*:*:*:*:*:*:*