Resource exhaustion in Spice-Space Spice-Vdagent
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Spice-Space Spice-Vdagent
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
- Spice-Vdagent — versions spice-vdagent versions prior and including 0.20
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2020/11/04/1 (Exploit, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/01/msg00012.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2020-25650?
- CVE-2020-25650 is a medium-severity vulnerability in Spice-Space Spice-Vdagent, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2020-11-25.
- How severe is CVE-2020-25650?
- Medium severity. CVSS v3 base score is 5.5 out of 10.