What is CVE-2020-14355?

CVE-2020-14355 is a medium-severity vulnerability in Spice Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2020-10-07.

How severe is CVE-2020-14355?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Is CVE-2020-14355 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Spice Project

CVE-2020-14355

Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.027 (84.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L.

Affected products

Spice_project Spice
Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Debian Debian_linux — versions 9.0
Opensuse Leap — versions 15.2
Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
Redhat Enterprise_linux_aus — versions 8.2
Redhat Enterprise_linux_eus — versions 8.1
Redhat Enterprise_linux_tus — versions 8.2
Redhat Enterprise_linux_update_services_for_sap_solutions — versions 8.0
Redhat Openstack — versions 16.1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-14355

References

secalert@redhat.com (Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
secalert@redhat.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14355?: CVE-2020-14355 is a medium-severity vulnerability in Spice Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.6/10. Published 2020-10-07.
How severe is CVE-2020-14355?: Medium severity. CVSS v3 base score is 6.6 out of 10.
Is CVE-2020-14355 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.