#VU18596 Permissions, Privileges, and Access Controls in libvirt - CVE-2019-10132

Vulnerability identifier: #VU18596

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-10132

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
libvirt
Universal components / Libraries / Libraries used by multiple products

Vendor: libvirt.org

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to a missing SocketMode configuration parameter within the in the virtlockd-admin.socket and virtlogd-admin.socket systemd units. A local user can perform administrative tasks against virtlockd and virtlogd daemons.

Mitigation
Install updates from vendor's repository.

Vulnerable software versions

libvirt: 4.1.0 - 5.3.0

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External links
https://access.redhat.com/errata/RHSA-2019:1264
https://access.redhat.com/errata/RHSA-2019:1268
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10132
https://security.libvirt.org/2019/0003.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.