Summary
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)
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 18.04 LTS 18.04:LTS | freeradius | 3.0.16+dfsg-1ubuntu3.2 |
| Ubuntu · 20.04 LTS 20.04:LTS | freeradius | 3.0.20+dfsg-3ubuntu0.2 |
| Ubuntu · 22.04 LTS 22.04:LTS | freeradius | 3.0.26~dfsg~git20220223.1.00ed0241fa-0ubuntu3.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | freeradius | 2.2.8+dfsg-0.1ubuntu0.1+esm1 |
Vulnerabilities 3
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High 7.5
In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in th…
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Medium 6.5
A flaw was found in freeradius. A malicious RADIUS client or home server can send a malformed abinary attribute which c…
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Unscored —
In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. T…