CVE-2018-16845: High severity Apple Xcode vulnerability

Published Oct 31, 2018
·
Updated

IDE Xcode Server. Multiple issues were addressed by updating nginx to version 1.21.0.

Other sources

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the mp4 module that allows for denial of service or worker process memory disclosure.

Red Hat

nginx before versions 1.15.6, 1.14.1 has a vulnerability in the ngxhttpmp4module, which might allow an attacker to cause infinite loop in a worker process, cause a worker process crash, or might result in worker process memory disclosure by using a specially crafted mp4 file. The issue only affects nginx if it is built with the ngxhttpmp4module (the module is not built by default) and the .mp4. directive is used in the configuration file. Further, the attack is only possible if an attacker is able to trigger processing of a specially crafted mp4 file with the ngxhttpmp4module.

Launchpad

Credit

CVE-2016-0742, CVE-2016-0746, CVE-2016-0747, CVE-2017-7529, CVE-2018-16843, CVE-2018-16844, CVE-2018-16845, CVE-2019-20372

Affected Software

14 affected componentsFixes available
redhat/nginx<1.15.6
1.15.6
redhat/nginx<1.14.1
1.14.1
Apple Xcode<13
13
F5 Nginx>=1.0.7<=1.0.15
F5 Nginx>=1.1.3<=1.15.5
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
openSUSE Leap=15.1
Apple Xcode<13.0
debian/nginx
1.18.0-6.1+deb11u31.18.0-6.1+deb11u51.22.1-9+deb12u31.22.1-9+deb12u41.26.3-3+deb13u11.26.3-3+deb13u21.28.2-2

Event History

Nov 7, 2018
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:29 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·10:54 PM
Description
Feb 21, 2026
Data Sourced
via Ubuntu·05:44 PM
RemedyDescriptionSeverityAffected Software
Feb 23, 2026
Data Sourced
via Debian·05:46 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2018-16845?

CVE-2018-16845 is a vulnerability in nginx that allows an attacker to cause an infinite loop, crash a worker process, or disclose memory by using a specially crafted mp4 file.

2

What is the severity of CVE-2018-16845?

The severity of CVE-2018-16845 is high, with a CVSS score of 6.1.

3

Which software is affected by CVE-2018-16845?

Apple Xcode, Debian Linux, Canonical Ubuntu Linux, openSUSE Leap, F5 Nginx, and certain versions of nginx on Ubuntu and Red Hat are affected by CVE-2018-16845.

4

How can I fix CVE-2018-16845?

To fix CVE-2018-16845, update nginx to version 1.21.0 or later.

5

Where can I find more information about CVE-2018-16845?

You can find more information about CVE-2018-16845 at the following references: Apple support page, nginx announcement, and Red Hat Bugzilla.

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