Home/CVE/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
CVE

CVE-2020-7982

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

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).

HIGH · CVSS 8.1 EPSS 0.00323
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-345Insufficient Verification of Data Authenticity
CWE-754Improper Check for Unusual or Exceptional Conditions
▤

Affected Products & Versions

3
openwrt lede>= 17.01.0 and <= 17.01.7
openwrt>= 18.06.0 and < 18.06.7
openwrtall versions
⚠

Public Exploits & PoCs

2
pocarstechnica.com · openwrt-is-vulnerable-to-attacks-that-execute-malicious-codearstechnica.com
pocblog.forallsecure.com · uncovering-openwrt-remote-code-execution-cve-2020-7982blog.forallsecure.com
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2020 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openwrt/openwrt/commits/masterPatchThird Party Advisory
https://openwrt.org/advisory/2020-01-31-1Vendor Advisory
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