CVE-2016-5338 : The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU al

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.

Published 2016-06-14 14:59:03

Updated 2025-04-12 10:46:41

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Execute codeDenial of service

Products affected by CVE-2016-5338

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 12.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions
Qemu » Qemu
Versions up to, including, (<=) 2.6.2
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-5338

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 24 %

Percentile, the proportion of vulnerabilities that are scored at or less

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
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
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
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2016-5338

http://www.securityfocus.com/bid/91079

QEMU 'hw/scsi/esp.c' Multiple Remote Code Execution Vulnerabilities
Third 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 read
Mailing List;Patch;Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-1

USN-3047-1: QEMU vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
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_FIFO
Mailing List;Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2

USN-3047-2: QEMU regression | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
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_FIFO
Mailing List;Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html

[SECURITY] [DLA 1599-1] qemu security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/201609-01

QEMU: Multiple vulnerabilities (GLSA 201609-01) — Gentoo security
Third Party Advisory

CVEs referencing this url
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff589551c8e8e9e95e211b9d8daafb4ed39f1aec

QEMU · GitLab

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Vulnerability Details : CVE-2016-5338

Products affected by CVE-2016-5338

Exploit prediction scoring system (EPSS) score for CVE-2016-5338

CVSS scores for CVE-2016-5338

References for CVE-2016-5338