CVE-2018-1336

Public on 2018-08-02
Modified on 2018-11-08
Description

An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service. Versions Affected: Apache Tomcat 9.0.0.M9 to 9.0.7, 8.5.0 to 8.5.30, 8.0.0.RC1 to 8.0.51, and 7.0.28 to 7.0.86.

Severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core tomcat 2018-11-07 22:12 ALAS2-2018-1105
Amazon Linux 1 tomcat7 2018-08-09 16:10 ALAS-2018-1055
Amazon Linux 1 tomcat8 2018-08-09 16:12 ALAS-2018-1056
Amazon Linux 1 tomcat80 2018-08-09 16:10 ALAS-2018-1055

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2018-1336 Mitre: CVE-2018-1336 FAQs regarding Amazon Linux ALAS/CVE Severity