Improper Input Validation in PPPD EAP-TLS Protocol by Ubuntu
CVE-2018-11574

9.8CRITICAL

Key Information:

Vendor

Point-to-point Protocol Project

Status
Point-to-point Protocol
Vendor
CVE Published:
14 June 2018

What is CVE-2018-11574?

The PPPD EAP-TLS protocol implementation contains vulnerabilities resulting from improper input validation combined with an integer overflow. These issues may lead to severe consequences including system crashes, unauthorized information exposure, or even bypassing authentication mechanisms. It's important to note that configurations utilizing the 'refuse-app' option remain unaffected. Affected users are advised to apply the recommended patch provided by Ubuntu in response to these security concerns.

References

https://usn.ubuntu.com/3810-1/
vendor-advisoryx_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2018/06/11/1
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.