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CVE-2022-41860

Status Candidate

Overview

In freeradius, when an EAP-SIM supplicant sends an unknown SIM option, the server will try to look that option up in the internal dictionaries. This lookup will fail, but the SIM code will not check for that failure. Instead, it will dereference a NULL pointer, and cause the server to crash.

Related Files

Red Hat Security Advisory 2023-2870-01
Posted May 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2870-01 - FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service server, designed to allow centralized authentication and authorization for a network. Issues addressed include an information leakage vulnerability.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2022-41859, CVE-2022-41860, CVE-2022-41861
SHA-256 | 5dcd0c4bb0f4f10348c30f906552cb4dad4cb220a143873adf3775eaf4415af8
Red Hat Security Advisory 2023-2166-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2166-01 - FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service server, designed to allow centralized authentication and authorization for a network. Issues addressed include an information leakage vulnerability.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2022-41859, CVE-2022-41860, CVE-2022-41861
SHA-256 | 7ee68f3480cbbc76788ba5b8c33345b135813c69df1fe05f65524ef562ed74a5
Ubuntu Security Notice USN-5785-1
Posted Jan 4, 2023
Authored by Ubuntu | Site security.ubuntu.com

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.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2019-17185, CVE-2022-41860, CVE-2022-41861
SHA-256 | a7bd71afc6329ccb72ca453d36d94ee8283b47169870a31f511a50416559d346
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