Medium severity · published May 27, 2020
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
5.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
QE
Qemu · Qemu
through 5.0.1 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13253
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13253
Mailing List
http://www.openwall.com/lists/oss-security/2020/05/27/2
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1838546
Mailing List
https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html
Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05835.html
Third Party Advisory
https://security.gentoo.org/glsa/202011-09
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