VulnerabilityModified
CVE-2020-15704
A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files.
MEDIUM 5.5EPSS 0.36%
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.36% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200, CWE-20
- Affected
- canonical/ppp
- Source
- security@ubuntu.com
References
- https://ubuntu.com/security/notices/USN-4451-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-4451-2Vendor Advisory
- https://ubuntu.com/security/notices/USN-4451-1Vendor Advisory
- https://ubuntu.com/security/notices/USN-4451-2Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.