Vulnerability Details : 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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2020-7248
- cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7248
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7248
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-7248
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7248
-
https://openwrt.org/advisory/2020-01-31-2
OpenWrt Project: Security Advisory 2020-01-31-2 - libubox tagged binary data JSON serialization vulnerability (CVE-2020-7248)Vendor Advisory
-
https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438
NVD - CVE-2020-7248Third Party Advisory;US Government Resource
-
https://github.com/openwrt/openwrt/commits/master
Commits · openwrt/openwrt · GitHubPatch;Third Party Advisory
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