High severity · published Aug 2, 2018
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
7.5
CVSS
20.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.4% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tomcat · Apache
9.0.0.M9 to 9.0.7; 8.5.0 to 8.5.30; 8.0.0.RC1 to 8.0.51; 7.0.28 to 7.0.86 · source: vendor, NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
JE
Jboss Enterprise Application Platform · Redhat
6.0.0; 6.4.0 · source: NVD
JE
Jboss Enterprise Web Server · Redhat
3.0.0; 5.0.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1336
Mailing List
http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%3C20180722090435.GA60759%40minotaur.apache.org%3E
Third Party Advisory
http://www.securityfocus.com/bid/104898
Third Party Advisory
http://www.securitytracker.com/id/1041375
Third Party Advisory
https://access.redhat.com/errata/RHEA-2018:2188
Third Party Advisory
https://access.redhat.com/errata/RHEA-2018:2189
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2700
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