CVE-2019-13164

Qemu: qemu-bridge-helper ACL can be bypassed when names are too long

Published Jul 3, 2019 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1927-1 qemu security update
Debian DSA Debian DSA DSA-4506-1 qemu security update
Debian DSA Debian DSA DSA-4512-1 qemu security update
EUVD EUVD EUVD-2019-4691 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.
Ubuntu USN Ubuntu USN USN-4191-1 QEMU vulnerabilities
Ubuntu USN Ubuntu USN USN-4191-2 QEMU vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00072}

epss

{'score': 0.00057}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 11:41 PM
Reserved
Jul 2, 2019, 12:00 AM
Status
Modified
Published
Jul 3, 2019, 2:15 PM
Modified
Jun 17, 2026, 2:16 AM
Severity
Low
Public date
Jun 28, 2019, 12:00 AM