CVE-2020-7982
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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).
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.59% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-345, CWE-754
- Affected
- openwrt/lede · openwrt/openwrt
- Source
- cve@mitre.org
References
- https://arstechnica.com/information-technology/2020/03/openwrt-is-vulnerable-to-attacks-that-execute-malicious-code/Exploit, Press/Media Coverage, Third Party Advisory
- https://blog.forallsecure.com/uncovering-openwrt-remote-code-execution-cve-2020-7982Exploit, Third Party Advisory
- https://github.com/openwrt/openwrt/commits/masterPatch, Third Party Advisory
- https://openwrt.org/advisory/2020-01-31-1Vendor Advisory
- https://arstechnica.com/information-technology/2020/03/openwrt-is-vulnerable-to-attacks-that-execute-malicious-code/Exploit, Press/Media Coverage, Third Party Advisory
- https://blog.forallsecure.com/uncovering-openwrt-remote-code-execution-cve-2020-7982Exploit, Third Party Advisory
- https://github.com/openwrt/openwrt/commits/masterPatch, Third Party Advisory
- https://openwrt.org/advisory/2020-01-31-1Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.