Buffer overflow in Qemu

CVE-2020-11102

hw/net/tulip.c in QEMU 4.2.0 has a buffer overflow during the copying of tx/rx buffers because the frame size is not validated against the r/w data length.

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

  • Qemu — versions 4.2.0
  • N/a — versions n/a

Weakness classification (CWE)

References

  • cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2020-11102?
CVE-2020-11102 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 5.6/10. Published 2020-04-06.
How severe is CVE-2020-11102?
Medium severity. CVSS v3 base score is 5.6 out of 10.