SB2021060952 - SUSE update for spice

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Main Vulnerability Database SB2021060952

SB2021060952 - SUSE update for spice

Published: June 9, 2021

Security Bulletin ID SB2021060952
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2020-14355)

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.



2) Resource exhaustion (CVE-ID: CVE-2021-20201)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can execute multiple renegotiations within a single connection and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References