High severity · published Mar 16, 2020
CVE-2020-7248
libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow
7.5
CVSS
2.5%
EPSS
No
On KEV
Description
libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 has a tagged binary data JSON serialization vulnerability that may cause a stack based buffer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openwrt · Openwrt
18.06.0 before 18.06.7; 19.07.0; 19.07.0; 19.07.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7248
Patch
https://github.com/openwrt/openwrt/commits/master
Third Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438
Vendor Advisory
https://openwrt.org/advisory/2020-01-31-2
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