UTF-8 Decoder Vulnerability in Apache Tomcat
CVE-2018-1336

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Tomcat
Vendor
CVE Published:
2 August 2018

What is CVE-2018-1336?

An improper handling of overflow in the UTF-8 decoder can result in an infinite loop, potentially leading to a Denial of Service condition. This vulnerability affects specific versions of Apache Tomcat, rendering systems unable to respond to valid requests, and may allow attackers to disrupt service availability.

Affected Version(s)

Apache Tomcat 9.0.0.M9 to 9.0.7

Apache Tomcat 8.5.0 to 8.5.30

Apache Tomcat 8.0.0.RC1 to 8.0.51

References

https://usn.ubuntu.com/3723-1/
vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/104898
vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:2740
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.