Medium severity · published Apr 4, 2019
CVE-2019-3886
An incorrect permissions check was discovered in libvirt 4.8.0 and above
5.4
CVSS
1.1%
EPSS
No
On KEV
Description
An incorrect permissions check was discovered in libvirt 4.8.0 and above. The readonly permission was allowed to invoke APIs depending on the guest agent, which could lead to potentially disclosing unintended information or denial of service by causing libvirt to block.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
29; 30 · source: NVD
LE
Leap · Opensuse
42.3 · source: NVD
LI
Libvirt · Redhat
4.8.0 before 5.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3886
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3886
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
Third Party Advisory
http://www.securityfocus.com/bid/107777
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:3723
Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3886
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYMNKXAUBZCFBBPFH64FJPH5EJH4GSU2/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5DHYIFECZ7BMVXK4EP4FDFZXK7I5MZH/
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