CVE-2020-15704

Summary

The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504.

Affected Software

VendorProductVersion RangeStatus
Canonicalppp2.4.5 < 2.4.5-5ubuntu1.4affected
Canonicalppp2.4.7 < 2.4.7-1+2ubuntu1.16.04.3affected

Weaknesses

  • CWE-200: CWE-200 Information Exposure

ADP Enrichment

CVE Program Container

Additional References

References