PT-2023-18028 · Unknown · Insecureeapnetworkhandler.Java

Published 2023-08-01 · Updated 2023-08-24 · CVE-2023-21242

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions InsecureEapNetworkHandler.java (affected versions not specified)

Description A logic error in the code of InsecureEapNetworkHandler.java, specifically in the isServerCertChainValid function, allows an imposter server to be trusted. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

ASB-A-277824547

CVE-2023-21242

Affected Products

Insecureeapnetworkhandler.Java

References · 8

• https://osv.dev/vulnerability/CVE-2023-21242 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-277824547 · Vendor Advisory
• https://android.googlesource.com/platform/packages/modules/Wifi/+/72e903f258b5040b8f492cf18edd124b5a1ac770 · Patch
• https://source.android.com/security/bulletin/2023-08-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21242 · Security Note
• https://twitter.com/VulmonFeeds/status/1691220287889563648 · Twitter Post
• https://t.me/cibsecurity/68496 · Telegram Post
• https://twitter.com/CVEnew/status/1691196349604081664 · Twitter Post