CVE-2020-7248: Buffer Overflow
First published: Mon Mar 16 2020(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenWrt OpenWrt | >=18.06.0<18.06.7 | |
| OpenWrt OpenWrt | =19.07.0 | |
| OpenWrt OpenWrt | =19.07.0-rc1 | |
| OpenWrt OpenWrt | =19.07.0-rc2 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-7248?
CVE-2020-7248 is a vulnerability in libubox in OpenWrt before 18.06.7 and 19.x before 19.07.1 that has a tagged binary data JSON serialization vulnerability that may cause a stack-based buffer overflow.
How severe is CVE-2020-7248?
CVE-2020-7248 has a severity value of 7.5 (high).
Which software versions are affected by CVE-2020-7248?
The vulnerability affects OpenWrt versions before 18.06.7 and 19.x before 19.07.1.
How can I fix CVE-2020-7248?
To fix CVE-2020-7248, it is recommended to update OpenWrt to version 18.06.7 or 19.07.1.
Where can I find more information about CVE-2020-7248?
You can find more information about CVE-2020-7248 on the OpenWrt advisory page (https://openwrt.org/advisory/2020-01-31-2) and the NVD website (https://nvd.nist.gov/vuln/detail/CVE-2020-7248#range-4512438).
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- collector/nvd-cve
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- vendor/openwrt
- canonical/openwrt openwrt
- version/openwrt openwrt/18.06.0
- version/openwrt openwrt/19.07.0
- version/openwrt openwrt/19.07.0-rc1
- version/openwrt openwrt/19.07.0-rc2