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CVE-2019-20485

Good to know:

Date: March 18, 2020

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).

Language: C

Severity Score

5.7

Related Resources (13)

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-20485

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1809740

Url: https://access.redhat.com/security/cve/CVE-2019-20485

Url: https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=a663a860819287e041c3de672aad1d8543098ecc

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/

Url: https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1730509.html

Url: https://security.alpinelinux.org/vuln/CVE-2019-20485

Url: https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1730509.html

Url: https://libvirt.org/git/?p=libvirt.git;a=commit;h=a663a860819287e041c3de672aad1d8543098ecc

Url: https://security-tracker.debian.org/tracker/CVE-2019-20485

Url: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953078

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5GE6ISYUL3CIWO3FQRUGMKTKP2NYED2/

Url: https://www.mend.io/vulnerability-database/CVE-2019-20485

Severity Score

5.7

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:	5.7
Attack Vector (AV):	ADJACENT_NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.7
Access Vector (AV):	ADJACENT
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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