medium
6.5
CWE
200
Advisory Published
Updated

CVE-2016-0777: Infoleak

First published: Thu Jan 14 2016(Updated: )

The resend_bytes function in roaming_common.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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Sophos Unified Threat Management=9.318
Sophos Unified Threat Management=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 SPARC=11.3
OpenSSH=5.0
OpenSSH=5.0-p1
OpenSSH=5.1
OpenSSH=5.1-p1
OpenSSH=5.2
OpenSSH=5.2-p1
OpenSSH=5.3
OpenSSH=5.3-p1
OpenSSH=5.4
OpenSSH=5.4-p1
OpenSSH=5.5
OpenSSH=5.5-p1
OpenSSH=5.6
OpenSSH=5.6-p1
OpenSSH=5.7
OpenSSH=5.7-p1
OpenSSH=5.8
OpenSSH=5.8-p1
OpenSSH=5.9
OpenSSH=5.9-p1
OpenSSH=6.0
OpenSSH=6.0-p1
OpenSSH=6.1
OpenSSH=6.1-p1
OpenSSH=6.2
OpenSSH=6.2-p1
OpenSSH=6.2-p2
OpenSSH=6.3
OpenSSH=6.3-p1
OpenSSH=6.4
OpenSSH=6.4-p1
OpenSSH=6.5
OpenSSH=6.5-p1
OpenSSH=6.6
OpenSSH=6.6-p1
OpenSSH=6.7
OpenSSH=6.7-p1
OpenSSH=6.8
OpenSSH=6.8-p1
OpenSSH=6.9
OpenSSH=6.9-p1
OpenSSH=7.0
OpenSSH=7.0-p1
OpenSSH=7.1
OpenSSH=7.1-p1
HP Remote Device Access Virtual Customer Access System<=15.07
Apple iOS and macOS<=10.11.3

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Reference Links

Frequently Asked Questions

  • 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.

  • How do I fix CVE-2016-0777?

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

  • Which software is affected by CVE-2016-0777?

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

  • 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.

  • 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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