CVE-2020-13253
MEDIUMCVSS 5.5/10EPSS 0.43%
Last modified
CVE-2020-13253 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 5.0.1 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- http://www.openwall.com/lists/oss-security/2020/05/27/2Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1838546Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/05/27/2Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1838546Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13253?
sd_wp_addr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhci_write() operations. A guest OS user can crash the QEMU process.
How severe is CVE-2020-13253?
CVE-2020-13253 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13253?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-13253?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST