CVE-2020-15704

pppd arbitrary file read information disclosure vulnerability

Description

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.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: Canonical ppp
Published at:
Updated at:

References

Link Tags
https://ubuntu.com/security/notices/USN-4451-1 vendor advisory
https://ubuntu.com/security/notices/USN-4451-2 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-15704?
CVE-2020-15704 has been scored as a medium severity vulnerability.
How to fix CVE-2020-15704?
To fix CVE-2020-15704, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15704 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-15704 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15704?
CVE-2020-15704 affects Canonical ppp.
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