CVE-2020-25650
First published: Thu Oct 08 2020(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Spice-space Spice-vdagent | <=0.20.0 | |
| Debian Debian Linux | =9.0 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| redhat/spice-vdagent | <0.21.0 | 0.21.0 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1886345
- https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
- https://www.openwall.com/lists/oss-security/2020/11/04/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1894433
- https://github.com/freedesktop/spice-vd_agent/commit/1a8b93ca6ac0b690339ab7f0afc6fc45d198d332
- https://github.com/freedesktop/spice-vd_agent/commit/9d35d8a86fb310fc1f29d428c0a96995948d2357
- https://access.redhat.com/security/cve/cve-2020-25650
- https://access.redhat.com/errata/RHSA-2021:1791
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
Frequently Asked Questions
What is CVE-2020-25650?
CVE-2020-25650 is a vulnerability found in the spice-vdagentd daemon, which allows unprivileged local guest users to perform a memory denial of service attack.
Who is affected by CVE-2020-25650?
The affected software includes spice-vdagent version up to and including 0.20.0, Debian Linux 9.0, Fedora 32, and Fedora 33.
What is the severity of CVE-2020-25650?
CVE-2020-25650 has a severity rating of medium with a CVSS score of 5.5.
How can I fix CVE-2020-25650?
To fix CVE-2020-25650, update your system to spice-vdagent version 0.21.0.
Where can I find more information about CVE-2020-25650?
You can find more information about CVE-2020-25650 at the following references: [Bugzilla Red Hat](https://bugzilla.redhat.com/show_bug.cgi?id=1886345), [Debian LTS Announce](https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html), and [Fedora Package Announce](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/).
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/nvd-index
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/author
- agent/weakness
- agent/severity
- agent/references
- agent/remedy
- agent/description
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2020-25650
- agent/tags
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/spice-space
- canonical/spice-space spice-vdagent
- version/spice-space spice-vdagent/0.20.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/32
- version/fedoraproject fedora/33
- package-manager/redhat