Vulnerability identifier: #VU64581
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Apache Tomcat
Server applications /
Web servers
Vendor: Apache Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Apache Tomcat does not properly handle cases where an HTTP response occurs before finishing the reading of an entire request body. A remote attacker can cause a denial of service (thread consumption) via a series of aborted upload attempts.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Apache Tomcat: 6.0.0 - 6.0.43, 7.0.0 - 7.0.54, 8.0.0 - 8.0.8
External links
http://mail-archives.apache.org/mod_mbox/tomcat-announce/201505.mbox/%3C554949D1.8030904%40apache.org%3E
http://marc.info/?l=bugtraq&m=144498216801440&w=2
http://marc.info/?l=bugtraq&m=145974991225029&w=2
http://openwall.com/lists/oss-security/2015/04/10/1
http://rhn.redhat.com/errata/RHSA-2015-1621.html
http://rhn.redhat.com/errata/RHSA-2015-1622.html
http://rhn.redhat.com/errata/RHSA-2015-2661.html
http://rhn.redhat.com/errata/RHSA-2016-0595.html
http://rhn.redhat.com/errata/RHSA-2016-0596.html
http://rhn.redhat.com/errata/RHSA-2016-0597.html
http://rhn.redhat.com/errata/RHSA-2016-0598.html
http://rhn.redhat.com/errata/RHSA-2016-0599.html
http://svn.apache.org/viewvc?view=revision&revision=1603770
http://svn.apache.org/viewvc?view=revision&revision=1603775
http://svn.apache.org/viewvc?view=revision&revision=1603779
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-8.html
http://www.debian.org/security/2016/dsa-3447
http://www.debian.org/security/2016/dsa-3530
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.securityfocus.com/bid/74475
http://www.ubuntu.com/usn/USN-2654-1
http://www.ubuntu.com/usn/USN-2655-1
http://access.redhat.com/errata/RHSA-2015:2659
http://access.redhat.com/errata/RHSA-2015:2660
http://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04851013
http://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05054964
http://issues.jboss.org/browse/JWS-219
http://issues.jboss.org/browse/JWS-220
http://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b@%3Cdev.tomcat.apache.org%3E
http://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c@%3Cdev.tomcat.apache.org%3E
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.