CVE-2019-13164
HIGHCVSS 7.8/10EPSS 0.52%
Last modified
CVE-2019-13164 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 3.1 |
| Qemu | Qemu | 4.0.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Opensuse | Leap | 15.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
| Canonical | Ubuntu Linux | 19.10 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/109054Broken Link
- https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.htmlMailing List, Patch, Vendor Advisory
- https://seclists.org/bugtraq/2019/Aug/41Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Sep/3Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-66Third Party Advisory
- https://usn.ubuntu.com/4191-1/Third Party Advisory
- https://usn.ubuntu.com/4191-2/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4506Third Party Advisory
- https://www.debian.org/security/2019/dsa-4512Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/07/02/2Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/109054Broken Link
- https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.htmlMailing List, Patch, Vendor Advisory
- https://seclists.org/bugtraq/2019/Aug/41Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Sep/3Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-66Third Party Advisory
- https://usn.ubuntu.com/4191-1/Third Party Advisory
- https://usn.ubuntu.com/4191-2/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4506Third Party Advisory
- https://www.debian.org/security/2019/dsa-4512Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-13164?
CVE-2019-13164 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2019-13164?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-13164?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST