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amazonAmazonALAS-2017-934
HistoryDec 20, 2017 - 6:55 p.m.

Medium: qemu-kvm

2017-12-2018:55:00
alas.aws.amazon.com
27

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

28.1%

Issue Overview:

Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur due to an integer overflow while loading a kernel image during a guest boot. A user or process could use this flaw to potentially achieve arbitrary code execution on a host. (CVE-2017-14167)

Quick emulator (QEMU), compiled with the Cirrus CLGD 54xx VGA Emulator support, is vulnerable to an OOB write access issue. The issue could occur while writing to VGA memory via mode4and5 write functions. A privileged user inside guest could use this flaw to crash the QEMU process resulting in Denial of Serivce (DoS). (CVE-2017-15289)

Affected Packages:

qemu-kvm

Issue Correction:
Run yum update qemu-kvm to update your system.

New Packages:

src:  
    qemu-kvm-1.5.3-141.5.amzn1.src  
  
x86_64:  
    qemu-kvm-common-1.5.3-141.5.amzn1.x86_64  
    qemu-kvm-tools-1.5.3-141.5.amzn1.x86_64  
    qemu-img-1.5.3-141.5.amzn1.x86_64  
    qemu-kvm-debuginfo-1.5.3-141.5.amzn1.x86_64  
    qemu-kvm-1.5.3-141.5.amzn1.x86_64  

Additional References

Red Hat: CVE-2017-14167, CVE-2017-15289

Mitre: CVE-2017-14167, CVE-2017-15289

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS

0.001

Percentile

28.1%