CVE & CISA-KEV Catalog

CVE-2019-13164

HIGH
7.8
CVSS v3
NVD

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.

How to fix

Remediation Available
qemuDebian
Fixed in:1:4.1-1CVE-2019-13164
Fixed in:1:4.1-1CVE-2019-13164
Fixed in:1:4.1-1CVE-2019-13164
Fixed in:1:4.1-1CVE-2019-13164
qemuUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1
qemu-commonUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
qemu-kvmUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1
qemu-system-commonUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1
qemu-system-x86Ubuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1
qemu-user-staticUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1
qemu-utilsUbuntu
Fixed in:2.0.0+dfsg-2ubuntu1.47USN-4191-2
Fixed in:1:2.5+dfsg-5ubuntu10.42USN-4191-1
Fixed in:1:2.11+dfsg-1ubuntu7.20USN-4191-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.52%probability of exploitation in 30 days
41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Other references1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.