Buffer overflow in Qemu
CVE-2020-25085
QEMU 5.0.0 has a heap-based Buffer Overflow in flatview_read_continue in exec.c because hw/sd/sdhci.c mishandles a write operation in the SDHC_BLKSIZE case.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (48.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
- Qemu — versions 5.0.0
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.html (Patch, Mailing List, Third Party Advisory)
- bugs.launchpad.net/qemu/+bug/1892960 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2020/09/16/6 (Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20201009-0005/ (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00047.html (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2021/03/09/1 (mailing-list, Patch, Mailing List, 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-2020-25085?
- CVE-2020-25085 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Write. CVSS score: 5.0/10. Published 2020-09-25.
- How severe is CVE-2020-25085?
- Medium severity. CVSS v3 base score is 5.0 out of 10.
- Is CVE-2020-25085 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.