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CVE-2018-1336

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...

Published: Aug 2, 2018Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-835
NVD MITRE
7.5CVSSHIGH
EPSS Score
20.6%
Top 2.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Apache Tomcat there is an improper handing of overflow in the UTF-8 decoder

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-835

Affected Products

org.apache.tomcat.embed:tomcat-embed-coreMavenOSS Libraries
tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
jboss enterprise application platformredhat
On-premOS
Operating Systems / linux-distro
ubuntu linuxcanonical
On-premOS
Operating Systems / linux-distro
debian linuxdebian
On-premOS
Operating Systems / linux-distro
mavenpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
redhatcommercialUSOperating Systemsaka red hat
canonicalcommercialGBOperating Systemsaka canonical ltd.
debianoss-projectGBOperating Systemsaka debian gnu/linux
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2018-1336
nvd.nist.gov
https://github.com/apache/tomcat80/commit/9e9b7fe1b5732277a26e437f1d32155de6208ef2
github.com
https://github.com/apache/tomcat/commit/e00812b94e5830b2be3de04f4ae4ade38a700074
github.com
and 62 more references View all →

Timeline

Published
Aug 2, 2018
Last Updated
Nov 21, 2024

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