Vulnerability Description
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.
CVSS Score
5.0
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 5.0.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/09/16/6Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/03/09/1Mailing ListPatchThird Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1892960ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.htmlMailing ListPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/16/6Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/03/09/1Mailing ListPatchThird Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1892960ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2020/11/msg00047.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg00733.htmlMailing ListPatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201009-0005/Third Party Advisory
FAQ
What is CVE-2020-25085?
CVE-2020-25085 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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.
How severe is CVE-2020-25085?
CVE-2020-25085 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25085?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.