Vulnerability Details : CVE-2016-5338
The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allow local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer.
Vulnerability category: Execute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-5338
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 30 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-5338
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2016-5338
-
http://www.securityfocus.com/bid/91079
QEMU 'hw/scsi/esp.c' Multiple Remote Code Execution VulnerabilitiesThird Party Advisory;VDB Entry
-
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01507.html
Re: [Qemu-devel] [PATCH v3] scsi: esp: check TI buffer index before readMailing List;Patch;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-3047-1
USN-3047-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/06/07/3
oss-security - CVE Request Qemu: scsi: esp: OOB r/w access while processing ESP_FIFOMailing List;Third Party Advisory
-
http://www.ubuntu.com/usn/USN-3047-2
USN-3047-2: QEMU regression | Ubuntu security noticesThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/06/08/14
oss-security - Re: CVE Request Qemu: scsi: esp: OOB r/w access while processing ESP_FIFOMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
[SECURITY] [DLA 1599-1] qemu security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/201609-01
QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo securityThird Party Advisory
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff589551c8e8e9e95e211b9d8daafb4ed39f1aec
QEMU · GitLab
Products affected by CVE-2016-5338
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*