Out-of-bounds Read in Qemu
CVE-2020-29443
ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a buffer index is not validated.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Qemu — versions 5.1.0
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.nongnu.org/archive/html/qemu-devel/2020-11/msg04685.html (Patch, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/01/18/2 (Patch, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/02/msg00024.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210304-0003/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00008.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29443?
- CVE-2020-29443 is a low-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 3.9/10. Published 2021-01-26.
- How severe is CVE-2020-29443?
- Low severity. CVSS v3 base score is 3.9 out of 10.
- Is CVE-2020-29443 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.