CVE-2020-13765 — rom_copy() in hw/core/loader
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.
Published
2020-06-04T15:26:17.000Z
Last modified
2024-08-04T12:25:16.492Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-06-04T15:26:17.000Z
- Last modified: 2024-08-04T12:25:16.492Z
09References
- git.qemu.org — https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7…
- www.openwall.com — https://www.openwall.com/lists/oss-security/2020/06/03/6
- security.netapp.com — https://security.netapp.com/advisory/ntap-20200619-0006/
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- usn.ubuntu.com — https://usn.ubuntu.com/4467-1/
- github.com — https://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676
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