Vulnerability 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 Score
5.6
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 4.0.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7
- https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200619-0006/Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/03/6Mailing ListThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7
- https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20200619-0006/Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/03/6Mailing ListThird Party Advisory
FAQ
What is CVE-2020-13765?
CVE-2020-13765 is a vulnerability with a CVSS score of 5.6 (MEDIUM). 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.
How severe is CVE-2020-13765?
CVE-2020-13765 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-13765?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux.