Vulnerability Details : 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.
Exploit prediction scoring system (EPSS) score for CVE-2020-13253
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-13253
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-13253
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-13253
-
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html
[PATCH 1/2] sd: check bit number before setting card_status flagMailing List;Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2020/05/27/2
oss-security - CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoSMailing List;Patch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
[SECURITY] [DLA 3099-1] qemu security updateMailing List;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1838546
1838546 – (CVE-2020-13253) CVE-2020-13253 QEMU: sd: OOB access could crash the guest resulting in DoSIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/202011-09
QEMU: Multiple vulnerabilities (GLSA 202011-09) — Gentoo securityThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
[SECURITY] [DLA 2373-1] qemu security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4467-1/
USN-4467-1: QEMU vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
Products affected by CVE-2020-13253
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*