A vulnerability was found in FreeRADIUS up to 3.0.19 (Network Authentication Software). It has been classified as problematic. This affects some unknown functionality of the file rlm_eap/types/rlm_eap_pwd/eap_pwd.c of the component EAP-PWD. The manipulation with an unknown input leads to a information disclosure vulnerability (Password). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

rlm_eap/types/rlm_eap_pwd/eap_pwd.c in the EAP-pwd implementation in FreeRADIUS before 3.0.20 allows remote attackers to discover passwords because there is a side-channel information leak associated with the Hunting and Pecking abort for excessive iterations.

The weakness was published 03/18/2020. This vulnerability is uniquely identified as CVE-2019-20510 since 03/18/2020. The exploitability is told to be difficult. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 3.0.20 eliminates this vulnerability.

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Productinfo

Type

• Network Authentication Software

Name

• FreeRADIUS

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 3.0.17
• 3.0.18
• 3.0.19

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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