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SUSE: 2021:14744-1 Important: Spice Denial Of Service Fix

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Calendar Grey June 8, 2021
Scroller Suse
SUSE has announced a critical security patch for spice that addresses several significant vulnerabilities, such as denial of service and potential buffer overflow risks.
An update that fixes three vulnerabilities is now available

Summary

This update for spice fixes the following issues: - CVE-2021-20201: client initiated renegotiation causing denial of service (bsc#1181686) - CVE-2020-14355: Fixed multiple buffer overflow vulnerabilities in QUIC decoding code (bsc#1177158) - CVE-2016-2150: Fixed a guest escape using crafted primary surface parameters (bsc#982386) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Server 11-SP4-LTSS: zypper in -t patch slessp4-spice-14744=1 - SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-spice-14744=1 Package List: - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):

Topics%20covered

Topics Covered

security advisory denial of service update buffer overflow SUSE Linux patch spice

References

#1177158 #1181686 #982386

Cross- CVE-2016-2150 CVE-2020-14355 CVE-2021-20201

CVSS scores:

CVE-2016-2150 (NVD) : 7.1 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVE-2016-2150 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVE-2020-14355 (NVD) : 6.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

CVE-2020-14355 (SUSE): 6.6 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

CVE-2021-20201 (NVD) : 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2021-20201 (SUSE): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

Affected Products:

SUSE Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Debuginfo 11-SP4

https://www.suse.com/security/cve/CVE-2016-2150.html

https://www.suse.com/security/cve/CVE-2020-14355.html

Severity
important
Lowest
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Announcement ID: SUSE-SU-2021:14744-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service update buffer overflow SUSE Linux patch spice

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