CVE-2020-10761

Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 09 Jun 2020, 12:07
Last modified:04 Aug 2024, 11:14

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.84% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Jun 2020, 12:07
Published
Vulnerability first disclosed
04 Aug 2024, 11:14
Last Modified
Vulnerability information updated

Description

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 Metrics

  • v3.1•MEDIUM•Score: 5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.84%• Percentile: 75%

Techniques & Countermeasures

  • CWE-617•Reachable Assertion

    The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 20.04

  • opensuse•leap

    15.2

  • qemu•qemu

    < 5.0.1

  • red hat•qemu:

    all QEMU versions before QEMU 5.0.1

  • redhat•enterprise_linux

    8.0

References (6)