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ubuntucveUbuntu.comUB:CVE-2019-13164
HistoryJul 03, 2019 - 12:00 a.m.

CVE-2019-13164

2019-07-0300:00:00
ubuntu.com
ubuntu.com
29
qemu
network interface
acl bypass

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

24.3%

qemu-bridge-helper.c in QEMU 3.1 and 4.0.0 does not ensure that a network
interface name (obtained from bridge.conf or a --br=bridge option) is
limited to the IFNAMSIZ size, which can lead to an ACL bypass.

Bugs

Notes

Author Note
sbeattie qemu-bridge-helper.c does not exist in precise’s qemu package
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqemu< 1:2.11+dfsg-1ubuntu7.20UNKNOWN
ubuntu19.04noarchqemu< 1:3.1+dfsg-2ubuntu3.6UNKNOWN
ubuntu19.10noarchqemu< 1:4.0+dfsg-0ubuntu9.1UNKNOWN
ubuntu14.04noarchqemu< 2.0.0+dfsg-2ubuntu1.47UNKNOWN
ubuntu16.04noarchqemu< 1:2.5+dfsg-5ubuntu10.42UNKNOWN

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.001

Percentile

24.3%