CVE-2019-10167: Path Traversal
First published: Thu Jun 13 2019(Updated: )
Last updated 24 July 2024
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libvirt | <0:4.5.0-10.el7_6.12 | 0:4.5.0-10.el7_6.12 |
| redhat/redhat-release-virtualization-host | <0:4.3.4-1.el7e | 0:4.3.4-1.el7e |
| redhat/redhat-virtualization-host | <0:4.3.4-20190620.3.el7_6 | 0:4.3.4-20190620.3.el7_6 |
| Redhat Libvirt | >=4.0.0<4.10.1 | |
| Redhat Libvirt | >=5.0.0<5.4.1 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux Desktop | =6.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =6.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.6 | |
| Redhat Enterprise Linux Server Eus | =7.6 | |
| Redhat Enterprise Linux Server Tus | =7.6 | |
| Redhat Enterprise Linux Workstation | =6.0 | |
| Redhat Enterprise Linux Workstation | =7.0 | |
| Redhat Virtualization | =4.3 | |
| redhat/libvirt | <4.10.1 | 4.10.1 |
| redhat/libvirt | <5.4.1 | 5.4.1 |
| debian/libvirt | 7.0.0-3+deb11u3 9.0.0-4+deb12u1 10.7.0-3 |
Remedy
The Unix permissions of libvirt's read-only socket can be made more restrictive than the default (0777) by editing `/etc/libvirt/libvirtd.conf`. The settings `unix_sock_group = libvirt` and `unix_sock_ro_perms = 0770` will restrict access to only members of `libvirt`, who already have management access to virtual machines.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-10167 https://nvd.nist.gov/vuln/detail/CVE-2019-10167 https://access.redhat.com/libvirt-privesc-vulnerabilities
- https://bugzilla.redhat.com/show_bug.cgi?id=1720117
- https://access.redhat.com/errata/RHSA-2019:1579
- https://access.redhat.com/errata/RHSA-2019:1580
- https://access.redhat.com/errata/RHSA-2019:1762
- https://access.redhat.com/errata/RHSA-2019:1699
- https://access.redhat.com/security/cve/cve-2019-10167
- https://access.redhat.com/libvirt-privesc-vulnerabilities
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10167
- https://security.gentoo.org/glsa/202003-18
- https://launchpad.net/bugs/cve/CVE-2019-10167
- https://libvirt.org/git/?p=libvirt.git;a=commit;h=8afa68bac0cf99d1f8aaa6566685c43c22622f26
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1722464
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1722468
- https://security-tracker.debian.org/tracker/CVE-2019-10167
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10167
- https://nvd.nist.gov/vuln/detail/CVE-2019-10167
- https://ubuntu.com/security/CVE-2019-10167
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2019-10167?
CVE-2019-10167 is a vulnerability in the libvirt API that allows for privilege escalation.
How severe is CVE-2019-10167?
CVE-2019-10167 has a severity value of 8.8, which is considered high.
Which versions of libvirt are affected?
Versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1 of libvirt are affected.
How can I fix CVE-2019-10167?
To fix CVE-2019-10167, update libvirt to version 4.10.1 or higher for 4.x.x series, or version 5.4.1 or higher for 5.x.x series.
Where can I find more information about CVE-2019-10167?
You can find more information about CVE-2019-10167 at the following sources: [Red Hat Advisory](https://access.redhat.com/libvirt-privesc-vulnerabilities), [libvirt Git commit](https://libvirt.org/git/?p=libvirt.git;a=commit;h=8afa68bac0cf99d1f8aaa6566685c43c22622f26), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1722464).
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