SB2019042512 - Improper Authentication in freeradius (Alpine package)
Published: April 25, 2019
Security Bulletin ID
SB2019042512
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 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2019-11234)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error related to processing authentication tokens. A remote attacker can execute a reflection attack and bypass authentication process.
This vulnerability was dubbed "Dragonblood".
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