CVE-2016-0777: Infoleak

Published Jan 14, 2016
·
Updated

The resendbytes function in roamingcommon.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.

Affected Software

67 affected components
Sophos Unified Threat Management Software=9.318
Sophos Unified Threat Management Software=9.353
Sophos Unified Threat Management=110
Sophos Unified Threat Management=120
Sophos Unified Threat Management=220
Sophos Unified Threat Management=320
Sophos Unified Threat Management=425
Sophos Unified Threat Management=525
Sophos Unified Threat Management=625
Oracle Linux=7
Oracle Solaris=11.3
OpenBSD OpenSSH=5.0
OpenBSD OpenSSH=5.0-p1
OpenBSD OpenSSH=5.1
OpenBSD OpenSSH=5.1-p1
OpenBSD OpenSSH=5.2
OpenBSD OpenSSH=5.2-p1
OpenBSD OpenSSH=5.3
OpenBSD OpenSSH=5.3-p1
OpenBSD OpenSSH=5.4
OpenBSD OpenSSH=5.4-p1
OpenBSD OpenSSH=5.5
OpenBSD OpenSSH=5.5-p1
OpenBSD OpenSSH=5.6
OpenBSD OpenSSH=5.6-p1
OpenBSD OpenSSH=5.7
OpenBSD OpenSSH=5.7-p1
OpenBSD OpenSSH=5.8
OpenBSD OpenSSH=5.8-p1
OpenBSD OpenSSH=5.9
OpenBSD OpenSSH=5.9-p1
OpenBSD OpenSSH=6.0
OpenBSD OpenSSH=6.0-p1
OpenBSD OpenSSH=6.1
OpenBSD OpenSSH=6.1-p1
OpenBSD OpenSSH=6.2
OpenBSD OpenSSH=6.2-p1
OpenBSD OpenSSH=6.2-p2
OpenBSD OpenSSH=6.3
OpenBSD OpenSSH=6.3-p1
OpenBSD OpenSSH=6.4
OpenBSD OpenSSH=6.4-p1
OpenBSD OpenSSH=6.5
OpenBSD OpenSSH=6.5-p1
OpenBSD OpenSSH=6.6
OpenBSD OpenSSH=6.6-p1
OpenBSD OpenSSH=6.7
OpenBSD OpenSSH=6.7-p1
OpenBSD OpenSSH=6.8
OpenBSD OpenSSH=6.8-p1
OpenBSD OpenSSH=6.9
OpenBSD OpenSSH=6.9-p1
OpenBSD OpenSSH=7.0
OpenBSD OpenSSH=7.0-p1
OpenBSD OpenSSH=7.1
OpenBSD OpenSSH=7.1-p1
HP Remote Device Access Virtual Customer Access System<=15.07
Apple iOS and macOS<=10.11.3
All of the following
Any of the following
Sophos Unified Threat Management Software=9.318
Sophos Unified Threat Management Software=9.353
Any of the following
Sophos Unified Threat Management=110
Sophos Unified Threat Management=120
Sophos Unified Threat Management=220
Sophos Unified Threat Management=320
Sophos Unified Threat Management=425
Sophos Unified Threat Management=525
Sophos Unified Threat Management=625

Event History

Jan 14, 2016
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·10:59 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2016-0777?

CVE-2016-0777 has been assigned a severity rating of high due to its ability to expose sensitive information from memory.

2

How do I fix CVE-2016-0777?

To fix CVE-2016-0777, upgrade OpenSSH to version 7.1p2 or later.

3

Which software is affected by CVE-2016-0777?

CVE-2016-0777 affects OpenSSH versions 5.x, 6.x, and 7.x before 7.1p2.

4

What kind of information can be leaked due to CVE-2016-0777?

CVE-2016-0777 can allow remote servers to read sensitive information such as private keys from the process memory.

5

Is my system vulnerable if I am using OpenSSH prior to 7.1p2?

Yes, if you are using a version of OpenSSH prior to 7.1p2, your system is vulnerable to CVE-2016-0777.

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