CVE-2017-3169: Null Pointer Dereference

Published Jun 20, 2017
·
Updated

apache. Multiple issues were addressed by updating to version 2.4.27.

Other sources

In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, modssl may dereference a NULL pointer when third-party modules call aphookprocessconnection() during an HTTP request to an HTTPS port.

MITRE

It was found in httpd that modssl may dereference a NULL pointer when third-party modules call aphookprocessconnection() during an HTTP request to an HTTPS port. References:

https://lists.apache.org/thread.html/84bf7fcc5cad35d355f11839cbdd13cbc5ffc1d34675090bff0f96ae@%3Cdev.httpd.apache.org%3E

External References:

https://httpd.apache.org/security/vulnerabilities24.html https://httpd.apache.org/security/vulnerabilities22.html

Red Hat

Credit

CVE-2016-0736, CVE-2016-2161, CVE-2016-5387, CVE-2016-8740, CVE-2016-8743, CVE-2017-3167, CVE-2017-3169, CVE-2017-7659, CVE-2017-7668, CVE-2017-7679, CVE-2017-9788, CVE-2017-9789

Affected Software

39 affected componentsFixes available
redhat/httpd<2.2.34
2.2.34
redhat/httpd<2.4.26
2.4.26
Apple macOS High Sierra<10.13.1
10.13.1
Apple Sierra
Apple El Capitan
Apache HTTP Server=2.2.0
Apache HTTP Server=2.2.2
Apache HTTP Server=2.2.3
Apache HTTP Server=2.2.11
Apache HTTP Server=2.2.12
Apache HTTP Server=2.2.13
Apache HTTP Server=2.2.14
Apache HTTP Server=2.2.15
Apache HTTP Server=2.2.16
Apache HTTP Server=2.2.17
Apache HTTP Server=2.2.18
Apache HTTP Server=2.2.19
Apache HTTP Server=2.2.20
Apache HTTP Server=2.2.21
Apache HTTP Server=2.2.22
Apache HTTP Server=2.2.23
Apache HTTP Server=2.2.24
Apache HTTP Server=2.2.25
Apache HTTP Server=2.2.26
Apache HTTP Server=2.2.27
Apache HTTP Server=2.2.29
Apache HTTP Server=2.2.30
Apache HTTP Server=2.2.31
Apache HTTP Server=2.2.32
Apache HTTP Server=2.4.1
Apache HTTP Server=2.4.2
Apache HTTP Server=2.4.10
Apache HTTP Server=2.4.12
Apache HTTP Server=2.4.16
Apache HTTP Server=2.4.17
Apache HTTP Server=2.4.18
Apache HTTP Server=2.4.20
Apache HTTP Server=2.4.23
Apache HTTP Server=2.4.25

Event History

Jun 20, 2017
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
DescriptionWeakness
Data Sourced
via Red Hat·11:20 AM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2017-3169?

CVE-2017-3169 is a vulnerability in Apache httpd that allows a NULL pointer dereference.

2

What is the severity of CVE-2017-3169?

The severity of CVE-2017-3169 is critical with a CVSS score of 9.8.

3

How does CVE-2017-3169 affect Apache httpd?

CVE-2017-3169 affects Apache httpd versions 2.2.x before 2.2.33 and 2.4.x before 2.4.26, allowing a NULL pointer dereference when certain modules are called.

4

How can I fix CVE-2017-3169?

To fix CVE-2017-3169, update your Apache httpd server to version 2.2.34 or 2.4.26, depending on the version you are running.

5

Where can I find more information about CVE-2017-3169?

You can find more information about CVE-2017-3169 on the Apache httpd website and the official CVE entry.

Contact

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