CVE-2020-25650

A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.openwall.com/lists/oss-security/2020/11/04/1	Exploit Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1886345	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/	Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:spice-space:spice-vdagent:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

Information

Published : 2020-11-25 07:15

Updated : 2021-02-19 09:24

NVD link : CVE-2020-25650

Mitre link : CVE-2020-25650

JSON object : View

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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Products Affected

debian

debian_linux

fedoraproject

fedora

spice-space

spice-vdagent

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