CVE-2016-0771: Buffer Overflow

Published Mar 13, 2016
·
Updated

The internal DNS server in Samba 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4, when an AD DC is configured, allows remote authenticated users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory by uploading a crafted DNS TXT record.

Affected Software

69 affected components
Samba Samba=4.0.0
Samba Samba=4.0.1
Samba Samba=4.0.2
Samba Samba=4.0.3
Samba Samba=4.0.4
Samba Samba=4.0.5
Samba Samba=4.0.6
Samba Samba=4.0.7
Samba Samba=4.0.8
Samba Samba=4.0.9
Samba Samba=4.0.10
Samba Samba=4.0.11
Samba Samba=4.0.12
Samba Samba=4.0.13
Samba Samba=4.0.14
Samba Samba=4.0.15
Samba Samba=4.0.16
Samba Samba=4.0.17
Samba Samba=4.0.18
Samba Samba=4.0.19
Samba Samba=4.0.20
Samba Samba=4.0.21
Samba Samba=4.0.22
Samba Samba=4.0.23
Samba Samba=4.0.24
Samba Samba=4.1.0
Samba Samba=4.1.1
Samba Samba=4.1.2
Samba Samba=4.1.3
Samba Samba=4.1.4
Samba Samba=4.1.5
Samba Samba=4.1.6
Samba Samba=4.1.7
Samba Samba=4.1.8
Samba Samba=4.1.9
Samba Samba=4.1.10
Samba Samba=4.1.11
Samba Samba=4.1.12
Samba Samba=4.1.13
Samba Samba=4.1.14
Samba Samba=4.1.15
Samba Samba=4.1.16
Samba Samba=4.1.17
Samba Samba=4.1.18
Samba Samba=4.1.19
Samba Samba=4.1.20
Samba Samba=4.1.21
Samba Samba=4.1.22
Samba Samba=4.2.0-rc1
Samba Samba=4.2.0-rc2
Samba Samba=4.2.0-rc3
Samba Samba=4.2.0-rc4
Samba Samba=4.2.1
Samba Samba=4.2.2
Samba Samba=4.2.3
Samba Samba=4.2.4
Samba Samba=4.2.5
Samba Samba=4.2.6
Samba Samba=4.2.7
Samba Samba=4.2.8
Samba Samba=4.3.0
Samba Samba=4.3.1
Samba Samba=4.3.2
Samba Samba=4.3.3
Samba Samba=4.3.4
Samba Samba=4.3.5
Samba Samba=4.4.0-rc1
Samba Samba=4.4.0-rc2
Samba Samba=4.4.0-rc3

Event History

Mar 13, 2016
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2016-0771?

CVE-2016-0771 is classified with a Medium severity due to its potential to cause denial of service and information exposure.

2

How can I fix CVE-2016-0771?

To fix CVE-2016-0771, update Samba to versions 4.1.23, 4.2.9, 4.3.6, or later.

3

Who is affected by CVE-2016-0771?

CVE-2016-0771 affects Samba versions 4.x prior to specific patch releases for various versions.

4

What type of vulnerability is CVE-2016-0771?

CVE-2016-0771 is a remote authenticated denial of service vulnerability.

5

Can CVE-2016-0771 allow information disclosure?

Yes, CVE-2016-0771 can potentially allow remote authenticated users to obtain sensitive information from the process memory.

Contact

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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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