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CVE-2019-3886

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4021-1
Posted Jun 19, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4021-1 - Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to access the guest agent and cause a denial of service. This issue only affected Ubuntu 19.04. Various other issues were also addressed.

tags | advisory, remote, denial of service, local
systems | linux, ubuntu
advisories | CVE-2019-10132, CVE-2019-3886
SHA-256 | 934a653d6bbd7f060c475372db010848a881479984bb2a29d5ef50a9f397a99e
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