Resource exhaustion in Spice-Space Spice-Vdagent
CVE-2020-25652
A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and prior.
EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.
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.
Affected products
- Spice-space Spice-vdagent
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 32, 33
- N/a Spice-vdagent — versions spice-vdagent versions 0.20 and prior
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-25652?
- CVE-2020-25652 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 2020-11-26.
- How severe is CVE-2020-25652?
- Medium severity. CVSS v3 base score is 5.5 out of 10.