CVE-2020-13765

Advisory lineage Upstream: 0 Downstream: 16
Modified
Published: 04 Jun 2020, 15:26
Last modified:04 Aug 2024, 12:25

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.8 MEDIUM
v2.0 (nvd)
EPSS Score
0.37% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Jun 2020, 15:26
Published
Vulnerability first disclosed
04 Aug 2024, 12:25
Last Modified
Vulnerability information updated

Description

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.6CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.37%• Percentile: 59%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 20.04

  • debian•debian_linux

    8.0 | 9.0

  • qemu•qemu

    4.0.0 | 4.1.0

References (7)