Ubuntu Security Notice USN-5785-1 ≈ Packet Storm

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Ubuntu Security Notice USN-5785-1^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 5785-1 - 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. 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.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2019-17185 ^[11], CVE-2022-41860 ^[12], CVE-2022-41861 ^[13]; SHA-256 | a7bd71afc6329ccb72ca453d36d94ee8283b47169870a31f511a50416559d346; Download ^[14] | Favorite ^[15] | View ^[16]

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Ubuntu Security Notice USN-5785-1
January 04, 2023
freeradius vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in FreeRADIUS.
Software Description:
- freeradius: high-performance and highly configurable RADIUS server
Details:
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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.04 LTS:
freeradius                      3.0.26~dfsg~git20220223.1.00ed0241fa-0ubuntu3.1
Ubuntu 20.04 LTS:
freeradius                      3.0.20+dfsg-3ubuntu0.2
Ubuntu 18.04 LTS:
freeradius                      3.0.16+dfsg-1ubuntu3.2
Ubuntu 16.04 ESM:
freeradius                      2.2.8+dfsg-0.1ubuntu0.1+esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5785-1
CVE-2019-17185, CVE-2022-41860, CVE-2022-41861
Package Information:
https://launchpad.net/ubuntu/+source/freeradius/3.0.26~dfsg~git20220223.1.00ed0241fa-0ubuntu3.1
https://launchpad.net/ubuntu/+source/freeradius/3.0.20+dfsg-3ubuntu0.2
https://launchpad.net/ubuntu/+source/freeradius/3.0.16+dfsg-1ubuntu3.2