Buffer overflow in Openwrt
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 class: Buffer Overflow
EPSS: 0.025 (83.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openwrt — versions 19.07.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-7248?
- CVE-2020-7248 is a high-severity vulnerability in Openwrt, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-03-16.
- How severe is CVE-2020-7248?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-7248 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.