# CVE-2018-11574: ppp: Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause...

CVE-2018-11574 is fixed in ppp on 1 platform by ppp 2.4.7-2+2ubuntu1.1 (version 2.4.7-2+2ubuntu1.1), released June 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-11574
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0187
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 13, 2018

## Description

Improper input validation together with an integer overflow in the EAP-TLS protocol implementation in PPPD may cause a crash, information disclosure, or authentication bypass. This implementation is distributed as a patch for PPPD 0.91, and includes the affected eap.c and eap-tls.c files. Configurations that use the `refuse-app` option are unaffected.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ppp Ubuntu 18.04.6 LTS (bionic) | 2.4.7-2+2ubuntu1.1 | [ppp 2.4.7-2+2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ppp-2.4.7-2-2ubuntu1.1.md) | Jun 13, 2018 |

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