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gentooGentoo FoundationGLSA-201510-02
HistoryOct 31, 2015 - 12:00 a.m.

QEMU: Arbitrary code execution

2015-10-3100:00:00
Gentoo Foundation
security.gentoo.org
17

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.053 Low

EPSS

Percentile

93.1%

Background

QEMU is a generic and open source machine emulator and virtualizer.

Description

Heap-based buffer overflow has been found in QEMU’s PCNET controller.

Impact

A remote attacker could execute arbitrary code via a specially crafted packets.

Workaround

There is no known workaround at this time.

Resolution

All QEMU users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-emulation/qemu-2.3.0-r4"
OSVersionArchitecturePackageVersionFilename
Gentooanyallapp-emulation/qemu< 2.3.0-r4UNKNOWN

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.053 Low

EPSS

Percentile

93.1%