CVE-2016-6817
published 2017-08-10CVE-2016-6817: The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the…
PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
7.19%
93.6th percentile
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache | tomcat | — | — |
| apache_software_foundation | apache_tomcat | — | — |
| apache_software_foundation | apache_tomcat | — | — |
| debian | tomcat9 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
vendor_apache7.5HIGH
vendor_debian7.5LOW
vendor_redhat7.5HIGH
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Red Hat
tomcat: Infinite loop in HTTP/2 header parser
vendor_redhat·2016-11-22·CVSS 7.5
CVE-2016-6817 [HIGH] CWE-835 tomcat: Infinite loop in HTTP/2 header parser
tomcat: Infinite loop in HTTP/2 header parser
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Package: tomcat (Red Hat JBoss Enterprise Application Platform 5) - Not affected
Package: tomcat (Red Hat JBoss Enterprise Application Platform 6) - Not affected
Package: tomcat (Red Hat JBoss Enterprise Application Platform 7) - Not affected
Package: tomcat (Red Hat JBoss Enterprise Web Server 2) - Not affected
Package: tomcat (Red Hat JBoss Enterprise Web Server 3) - Not affected
Package: tomcat8 (Red Hat JBoss Web Server 3) - Not affected
Package: rh-java-common-tomcat (Red Hat Software Collections) - Under investi
Debian
CVE-2016-6817: tomcat9 - The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5...
vendor_debian·2016·CVSS 7.5
CVE-2016-6817 [HIGH] CVE-2016-6817: tomcat9 - The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5...
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resolved
Apache
Apache tomcat: CVE-2016-6817
vendor_apache·CVSS 7.5
CVE-2016-6817 [HIGH] Apache tomcat: CVE-2016-6817
Apache tomcat: CVE-2016-6817
The HTTP/2 header parser entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible. This was fixed in revision 1765798 . This issue was reported as 60232 on 10 October 2016 and the security implications identified by the Apache Tomcat Security Team on the same day. It was made public on 22 November 2016. Affects: 8.5.0 to 8.5.6 Important: Information Disclosure
Severity: high
OSV
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
osv·2022-05-14
CVE-2016-6817 [HIGH] Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
GHSA
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
ghsa·2022-05-14
CVE-2016-6817 [HIGH] CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
Improper Restriction of Operations within the Bounds of a Memory Buffer in Apache Tomcat
The HTTP/2 header parser in Apache Tomcat 9.0.0.M1 to 9.0.0.M11 and 8.5.0 to 8.5.6 entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser
bugzilla·2016-11-22·CVSS 7.5
CVE-2016-6817 [HIGH] CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser
CVE-2016-6817 tomcat: Infinite loop in HTTP/2 header parser
The HTTP/2 header parser entered an infinite loop if a header was received that was larger than the available buffer. This made a denial of service attack possible.
Affects: 8.5.0 to 8.5.6
Upstream patch:
http://svn.apache.org/viewvc?view=rev&rev=1765798
Discussion:
This only affects 8.5+, which isn't shipped any any Red Hat distribution yet.
---
Created tomcat tracking bugs for this issue:
Affects: fedora-all [bug 1397493]
Bugzilla
CVE-2016-6816 CVE-2016-6817 CVE-2016-8735 tomcat: various flaws [fedora-all]
bugzilla·2016-11-22·CVSS 7.1
CVE-2016-6816 [HIGH] CVE-2016-6816 CVE-2016-6817 CVE-2016-8735 tomcat: various flaws [fedora-all]
CVE-2016-6816 CVE-2016-6817 CVE-2016-8735 tomcat: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of F
http://www.securityfocus.com/bid/94462http://www.securitytracker.com/id/1037330https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3Ehttps://security.netapp.com/advisory/ntap-20180607-0001/http://www.securityfocus.com/bid/94462http://www.securitytracker.com/id/1037330https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/a9f24571460af003071475b75f18cad81ebcc36fa7c876965a75e32a%40%3Cannounce.tomcat.apache.org%3Ehttps://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3Ehttps://security.netapp.com/advisory/ntap-20180607-0001/
2017-08-10
Published