Vulnerability Name:

CVE-2021-20201 (CCN-202685)

Assigned:2020-12-01
Published:2020-12-01
Updated:2022-10-21
Summary:A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-20201

Source: MISC
Type: Exploit, Third Party Advisory
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks

Source: CCN
Type: Red Hat Bugzilla – Bug 1921846
(CVE-2021-20201) - CVE-2021-20201 spice: Client initiated renegotiation denial of service

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1921846

Source: XF
Type: UNKNOWN
spice-cve202120201-dos(202685)

Source: CCN
Type: Spice GIT Repository
spice

Source: GENTOO
Type: Third Party Advisory
GLSA-202208-10

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-20201

Vulnerable Configuration:Configuration 1:
  • cpe:/a:spice_project:spice:*:*:*:*:*:*:*:* (Version < 0.14.92)

    • Configuration 2:
  • cpe:/o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:spice_project:spice:0.12.3:*:*:*:*:*:*:*
  • OR cpe:/a:spice_project:spice:0.12.0:*:*:*:*:*:*:*
  • OR cpe:/a:spice_project:spice:0.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:spice:0.14.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7674
    P
    		libspice-client-glib-2_0-8-0.41-150500.1.4 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7964
    P
    		libsrt1-1.3.4-1.45 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3499
    P
    		giflib-progs-5.0.5-12.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3526
    P
    		ibus-chewing-1.4.14-4.11 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3082
    P
    		glibc-2.22-100.15.4 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95129
    P
    		libspice-server-devel-0.15.0-150400.2.8 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95156
    P
    		spice-gtk-devel-0.39-150400.2.13 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94712
    P
    		libspice-client-glib-2_0-8-0.39-150400.2.13 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:99479
    P
    		 (Important)
    2022-01-26
    oval:org.opensuse.security:def:97044
    P
    		uuidd-2.33.1-2.14 on GA media (Moderate)
    2021-09-21
    oval:org.opensuse.security:def:99678
    P
    		 (Moderate)
    2021-09-18
    oval:org.opensuse.security:def:99986
    P
    		 (Important)
    2021-08-24
    oval:org.opensuse.security:def:111434
    P
    		Security update for spice (Important)
    2021-06-16
    oval:org.opensuse.security:def:92927
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:99089
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:9530
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:92330
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:8783
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:93080
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:70420
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:99280
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:9729
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:92529
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:69670
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:8978
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:93233
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:91944
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:92728
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:69869
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:98894
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:92139
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:97065
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:10280
    P
    		Security update for spice (Important)
    2021-06-11
    oval:org.opensuse.security:def:118497
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:102735
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:109401
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:42088
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:97053
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:96045
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:69053
    P
    		Security update for spice (Important)
    2021-06-10
    oval:org.opensuse.security:def:8598
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:5781
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:31636
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:70235
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:23595
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:59490
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:55202
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:86579
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:82586
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:127118
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:33925
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:30088
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:69481
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:57459
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:89145
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:46200
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:84615
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:32115
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:23918
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:59748
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:55911
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:87405
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:83295
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:34459
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:30208
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:57938
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:89403
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:51583
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:85660
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:125551
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:32941
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:26070
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:60282
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:56031
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:88135
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:10095
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:83415
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:5057
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:31196
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:41770
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:58764
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:51906
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:86100
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:9341
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:126721
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:33667
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:29379
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:57019
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:88448
    P
    		Security update for spice (Important)
    2021-06-08
    oval:org.opensuse.security:def:84157
    P
    		Security update for spice (Important)
    2021-06-08
    oval:com.redhat.rhsa:def:20211924
    P
    		RHSA-2021:1924: spice security update (Low)
    2021-05-18
    BACK
    spice_project spice *
    redhat enterprise linux 7.0
    redhat enterprise linux 6.0
    redhat enterprise linux 8.0
    spice_project spice 0.12.3
    spice_project spice 0.12.0
    spice_project spice 0.5.2
    redhat spice 0.14.1