CVE-2020-14355 Memory corruption in spice

What is CVE-2020-14355?

CVE-2020-14355 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 7 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-120

Which versions are affected by CVE-2020-14355?

It affects 10 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap, Redhat Enterprise Linux, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Eus and 4 more.

How do I fix CVE-2020-14355?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-14355 being exploited?

There is no known exploitation of CVE-2020-14355 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2020-14355, DEBIAN-CVE-2020-14355, DLA-2427-1, DLA-2428-1, DSA-4771-1, GHSA-2457-jhx6-82v4 and 18 more.