SUSE update for spice

Published: 2021-06-11

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-14355 CVE-2021-20201
CWE-ID	CWE-119 CWE-400
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Manager Proxy Operating systems & Components / Operating system SUSE Manager Retail Branch Server Operating systems & Components / Operating system SUSE Manager Server Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE CaaS Platform Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system spice-debugsource Operating systems & Components / Operating system package or component libspice-server1-debuginfo Operating systems & Components / Operating system package or component libspice-server1 Operating systems & Components / Operating system package or component libspice-server-devel Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU47486

Risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-14355

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the QUIC image decoding process of the SPICE remote display system. A remote user can pass specially crafted data to the server or client application, trigger memory corruption in the QUIC image compression algorithm and crash the application or execute arbitrary code on the system.

Mitigation

Update the affected package spice to the latest version.

Vulnerable software versions

SUSE Manager Proxy: 4.0

SUSE Manager Retail Branch Server: 4.0

SUSE Manager Server: 4.0

SUSE Linux Enterprise Server for SAP: 15-SP1

SUSE Linux Enterprise High Performance Computing: 15-SP1-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE Linux Enterprise Server: 15-SP1-BCL - 15-SP1-LTSS

spice-debugsource: before 0.14.1-4.3.1

libspice-server1-debuginfo: before 0.14.1-4.3.1

libspice-server1: before 0.14.1-4.3.1

libspice-server-devel: before 0.14.1-4.3.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20211956-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Resource exhaustion

EUVDB-ID: #VU53962

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-20201

CWE-ID: CWE-400 - Resource exhaustion