Vulnerability Details : CVE-2019-13164
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.
Products affected by CVE-2019-13164
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:a:qemu:qemu:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-13164
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-13164
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
References for CVE-2019-13164
-
https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086
qemu-bridge-helper: restrict interface name to IFNAMSIZ · qemu/qemu@03d7712 · GitHubPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html
[security-announce] openSUSE-SU-2019:2059-1: important: Security updateMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/109054
Qemu VM CVE-2019-13164 Local Security Bypass VulnerabilityBroken Link
-
https://usn.ubuntu.com/4191-1/
USN-4191-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.html
[Qemu-devel] [PATCH v3 1/3] qemu-bridge-helper: restrict interface nameMailing List;Patch;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html
[security-announce] openSUSE-SU-2019:2041-1: important: Security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4512
Debian -- Security Information -- DSA-4512-1 qemuThird Party Advisory
-
https://seclists.org/bugtraq/2019/Sep/3
Bugtraq: [SECURITY] [DSA 4512-1] qemu security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4506
Debian -- Security Information -- DSA-4506-1 qemuThird Party Advisory
-
https://seclists.org/bugtraq/2019/Aug/41
Bugtraq: [SECURITY] [DSA 4506-1] qemu security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4191-2/
USN-4191-2: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
[SECURITY] [DLA 1927-1] qemu security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202003-66
QEMU: Multiple vulnerabilities (GLSA 202003-66) — Gentoo securityThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/07/02/2
oss-security - CVE-2019-13164 Qemu: qemu-bridge-helper ACL bypassed with long interface namesMailing List;Third Party Advisory
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