CVE-2020-13765
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.45% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 84.2% of scored records. A rank, not a probability.
- NVD base score
- 5.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-04 15:26Z6 YR AGO
- Last updated
- 2024-08-04 12:25Z2 YR AGO
- Reserved
- 2020-06-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 896342ecf82c35992c0812ee8c609d0131fc40c49287301fa2f0f3a6ada4928b
05 Affected products
06 References
- git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e423455c4f23a1a828901c78fe6d03b7dde79319
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/06/03/6
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200619-0006/
- lists.debian.org[debian-lts-announce] 20200629 [SECURITY] [DLA 2262-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
- lists.debian.org[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- usn.ubuntu.comUSN-4467-1https://usn.ubuntu.com/4467-1/
- github.comhttps://github.com/qemu/qemu/commit/4f1c6cb2f9afafda05eab150fd2bd284edce6676
07 Fixed in
Debian 12
- qemu Fixed in 1:4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:4.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qemu Fixed in 1:2.5+dfsg-5ubuntu10.45
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- qemu Fixed in 1:2.11+dfsg-1ubuntu7.31
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.47+esm4Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.