SARA / Free Tools / CVE / CVE-2019-3886

CVE-2019-3886 — An incorrect permissions check was discovered in libvirt 4

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
5.4 MEDIUM
EPSS
0.46% (top 36.00%)
CWE
CWE-862
Published
2019-04-04T00:00:00.000Z
Last modified
2024-08-04T19:19:18.727Z
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
The libvirt Projectlibvirt4.8.0 and above

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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