Out-of-bounds Read in Qemu
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.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- 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 (x_refsource_CONFIRM, Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13253?
- CVE-2020-13253 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-05-27.
- How severe is CVE-2020-13253?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-13253 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.