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
EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.
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.
Affected products
- Qemu — versions 5.1.0
- Debian Debian_linux — versions 9.0, 10.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, 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.