CVE-2019-13164
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086 ↗
Additional information
- NVD record
- https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086Patch
- https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.htmlPatch
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Advisory
- http://www.securityfocus.com/bid/109054
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.htmlAdvisory