CVE-2020-7982: High severity OpenWrt LEDE vulnerability

Published Mar 16, 2020
·
Updated

An issue was discovered in OpenWrt 18.06.0 to 18.06.6 and 19.07.0, and LEDE 17.01.0 to 17.01.7. A bug in the fork of the opkg package manager before 2020-01-25 prevents correct parsing of embedded checksums in the signed repository index, allowing a man-in-the-middle attacker to inject arbitrary package payloads (which are installed without verification).

Affected Software

3 affected components
OpenWrt LEDE>=17.01.0<=17.01.7
OpenWrt OpenWrt>=18.06.0<18.06.7
OpenWrt OpenWrt=19.07.0

Event History

Mar 16, 2020
CVE Published
via MITRE·09:05 PM
Data Sourced
via MITRE·09:05 PM
Description
Data Sourced
via NVD·10:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2020-7982?

CVE-2020-7982 is a vulnerability discovered in OpenWrt and LEDE that allows a man-in-the-middle attacker to inject arbitrary pac...

2

What is the severity of CVE-2020-7982?

The severity of CVE-2020-7982 is high, with a severity value of 8.1.

3

How does CVE-2020-7982 affect OpenWrt and LEDE?

CVE-2020-7982 affects OpenWrt 18.06.0 to 18.06.6, 19.07.0, and LEDE 17.01.0 to 17.01.7.

4

How can a man-in-the-middle attacker exploit CVE-2020-7982?

A man-in-the-middle attacker can exploit CVE-2020-7982 by injecting arbitrary packages into the signed repository index.

5

Where can I find more information about CVE-2020-7982?

You can find more information about CVE-2020-7982 at the following references: [1](https://arstechnica.com/information-technology/2020/03/openwrt-is-vulnerable-to-attacks-that-execute-malicious-code/), [2](https://blog.forallsecure.com/uncovering-openwrt-remote-code-execution-cve-2020-7982), [3](https://github.com/openwrt/openwrt/commits/master)

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