CVE-2020-13765
Published: August 31, 2023Last modified: August 31, 2023
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.6 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | qemu | Not affected (7.1.0-r4) |
| Stream | qemu | Not affected (8.0.4-r0) |
References
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
- https://git.qemu.org/?p=qemu.git;a=commit;h=e423455c4f23a1a828901c78fe6d03b7dde79319
- https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676
- https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- https://security.netapp.com/advisory/ntap-20200619-0006/
- https://usn.ubuntu.com/4467-1/
- https://www.openwall.com/lists/oss-security/2020/06/03/6