#VU18847 Permissions, Privileges, and Access Controls in libvirt - CVE-2019-3886

Vulnerability identifier: #VU18847

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-3886

CWE-ID: CWE-264

Exploitation vector: Network

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 gain access to sensitive information or perform denial of service (DoS) attack.

The vulnerability exists due to the application allows readonly permissions to invoke the APIs depending on the guest agent. A remote non-authenticated attacker can gain access to sensitive information or perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libvirt: 4.8.0 - 5.1.0

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External links
https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
https://www.securityfocus.com/bid/107777
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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