SB2019042513 - Improper Authentication in freeradius (Alpine package)
Published: April 25, 2019
Security Bulletin ID
SB2019042513
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2019-11235)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to FreeRadius mishandles secure checks when preforming user authentication process. The related checks refer to mechanisms, which ensures that "each participant verifies that the received scalar is within a range, and that the received group element is a valid point on the curve being used". A remote attacker can bypass authentication process.Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=69138d98cebd2ab4efee5ac34450ed828d482d2c
- https://git.alpinelinux.org/aports/commit/?id=39ad148a1b03ffa56801c3ded59b34d6ac0e4dd1
- https://git.alpinelinux.org/aports/commit/?id=5000ff06e26f8e780cec024850772451991b14d4
- https://git.alpinelinux.org/aports/commit/?id=03e34b1adafe3bbf545854f14971aa8e0142c1aa
- https://git.alpinelinux.org/aports/commit/?id=065f2876051f76809327b30c47239ed3b8db0bd5
- https://git.alpinelinux.org/aports/commit/?id=354ae2b18aa0dbbd1760f1152adc8699967a4ce3
- https://git.alpinelinux.org/aports/commit/?id=77eea063d8f0ef7ac9a99e7a070e5d5fabe3d777
- https://git.alpinelinux.org/aports/commit/?id=d19f2800a1df00c0d730c8a31045e0f54ef3404f