CVE-2019-17185

In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-Service (DoS) attack.

USN-5785-1 — freeradius vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: freeradius, Ubuntu:18.04:LTS: freeradius, Ubuntu:20.04:LTS: freeradius, Ubuntu:22.04:LTS: freeradius

It was discovered that FreeRADIUS incorrectly handled multiple EAP-pwd handshakes. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-17185)

Shane Guan discovered that FreeRADIUS incorrectly handled memory when checking unknown SIM option sent by EAP-SIM supplicant. An attacker could possibly use this issue to cause a denial of service on the server. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2022-41860)

It was discovered that FreeRADIUS incorrectly handled memory when processing certain abinary attributes. An attacker could possibly use this issue to cause a denial of service on the server. (CVE-2022-41861)

Most recent entries from all

CVE-2019-17185

USN-5785-1 — freeradius vulnerabilities