// For flags

CVE-2016-6808

mod_jk: Buffer overflow when concatenating virtual host name and URI

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.

Desbordamiento de búfer en los Apache Tomcat Connectors (mod_jk) en versiones anteriores a 1.2.42.

It was found that the length checks prior to writing to the target buffer for creating a virtual host mapping rule did not take account of the length of the virtual host name, creating the potential for a buffer overflow.

This release adds the new Apache HTTP Server 2.4.23 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Pack Apache Server 2.4.6, and includes bug fixes and enhancements.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-08-12 CVE Reserved
  • 2016-10-11 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (17)
URL Tag Source
http://seclists.org/fulldisclosure/2016/Oct/44 Mailing List
http://www.openwall.com/lists/oss-security/2016/10/06/4 Mailing List
http://www.securityfocus.com/bid/93429 Third Party Advisory
http://www.securitytracker.com/id/1036969 Third Party Advisory
https://lists.apache.org/thread.html/277d42b48b6e9aef50949c0dcc79ce21693091d73da246b3c1981925%40%3Cdev.tomcat.apache.org%3E Mailing List
https://lists.apache.org/thread.html/5b7a23e245c93235c503900da854a143596d901bf1a1f67e851a5de4%40%3Cdev.tomcat.apache.org%3E Mailing List
https://lists.apache.org/thread.html/8d2a579bbd977c225c70cb23b0ec54865fb0dab5da3eff1e060c9935%40%3Cdev.tomcat.apache.org%3E Mailing List
https://lists.apache.org/thread.html/ba661b0edd913b39ff129a32d855620dd861883ade05fd88a8ce517d%40%3Cdev.tomcat.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r5c616dfc49156e4b06ffab842800c80f4425924d0f20c452c127a53c%40%3Cdev.tomcat.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rf8e8c091182b45daa50d3557cad9b10bb4198e3f08cf8f1c66a1b08d%40%3Cdev.tomcat.apache.org%3E Mailing List
URL Date SRC
http://packetstormsecurity.com/files/139071/Apache-Tomcat-JK-ISAPI-Connector-1.2.41-Buffer-Overflow.html 2024-08-06
URL Date SRC
URL Date SRC
http://rhn.redhat.com/errata/RHSA-2016-2957.html 2023-11-07
http://tomcat.apache.org/security-jk.html 2023-11-07
https://access.redhat.com/errata/RHSA-2017:0193 2023-11-07
https://access.redhat.com/errata/RHSA-2017:0194 2023-11-07
https://access.redhat.com/security/cve/CVE-2016-6808 2017-01-25
https://bugzilla.redhat.com/show_bug.cgi?id=1382352 2017-01-25
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Tomcat Jk Connector
Search vendor "Apache" for product "Tomcat Jk Connector"
 < 1.2.42
Search vendor "Apache" for product "Tomcat Jk Connector" and version " < 1.2.42"
-
Affected