Vulnerability Name:

CVE-2020-27616 (CCN-191064)

Assigned:2020-11-03
Published:2020-11-03
Updated:2022-01-01
Summary:ati_2d_blt in hw/display/ati_2d.c in QEMU 4.2.1 can encounter an outside-limits situation in a calculation. A guest can crash the QEMU process.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-682
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-27616

Source: CONFIRM
Type: Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/03/2

Source: XF
Type: UNKNOWN
qemu-cve202027616-dos(191064)

Source: MISC
Type: Mailing List, Patch, Third Party Advisory
https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05018.html

Source: CCN
Type: qemu-devel Web site
ati: check x y display parameter values

Source: CCN
Type: oss-sec Mailing List, Tue, 3 Nov 2020 17:27:46 +0530 (IST)
CVE-2020-27616 QEMU: ati-vga: potential crash via invalid x y parameter values

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20201202-0002/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qemu:qemu:4.2.1:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:qemu:qemu:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7948
    P
    libmozjs-78-0-78.15.0-150400.1.10 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3385
    P
    tpm2.0-tools-3.1.4-1.12 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95201
    P
    libavformat58_76-4.4-150400.1.13 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94497
    P
    aspell-0.60.8-3.3.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:101914
    P
    Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)
    2021-08-17
    oval:org.opensuse.security:def:101210
    P
    libopenjpeg1-1.5.2-2.28 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:111339
    P
    Security update for qemu (Important)
    2021-04-23
    oval:org.opensuse.security:def:118481
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96856
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:102719
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:66742
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:109385
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96029
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:73596
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:42061
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:69037
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:75810
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:107876
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:117391
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:5653
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:64474
    P
    Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:108580
    P
    Security update for qemu (Important)
    2021-04-16
    BACK
    qemu qemu 4.2.1
    qemu qemu -