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CVE
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CVE-2020-10761Date: (C)2020-06-10   (M)2023-12-22


An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.0CVSS Score : 4.0
Exploit Score: 3.1Exploit Score: 8.0
Impact Score: 1.4Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: SINGLE
User Interaction: NONEConfidentiality: NONE
Scope: CHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: LOW 
  
Reference:
GLSA-202011-09
USN-4467-1
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
https://security.netapp.com/advisory/ntap-20200731-0001/
https://www.openwall.com/lists/oss-security/2020/06/09/1
openSUSE-SU-2020:1108

CPE    2
cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
cpe:/a:qemu:qemu
CWE    1
CWE-617
OVAL    3
oval:org.secpod.oval:def:89050230
oval:org.secpod.oval:def:67019
oval:org.secpod.oval:def:65298

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