CVE-2016-0777

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 67.20% Top 5%
Vendor Advisory opensuse.org Vendor Advisory apple.com Vendor Advisory fedoraproject.org Vendor Advisory FreeBSD.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory openssh.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00006.html mailing list third party advisory vendor advisory
https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ third party advisory
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html mailing list third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375 third party advisory
http://www.securityfocus.com/archive/1/537295/100/0/threaded mailing list vdb entry third party advisory
https://support.apple.com/HT206167 third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html mailing list third party advisory vendor advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10734 third party advisory
http://www.securityfocus.com/bid/80695 vdb entry third party advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680 third party advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:07.openssh.asc third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175676.html mailing list third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html third party advisory
http://www.openssh.com/txt/release-7.1p2 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00014.html mailing list third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html mailing list third party advisory vendor advisory
https://bto.bluecoat.com/security-advisory/sa109 third party advisory
http://www.securitytracker.com/id/1034671 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00013.html mailing list third party advisory vendor advisory
https://security.gentoo.org/glsa/201601-01 third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 third party advisory
http://www.openwall.com/lists/oss-security/2016/01/14/7 third party advisory mailing list
http://seclists.org/fulldisclosure/2016/Jan/44 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00008.html mailing list third party advisory vendor advisory
http://packetstormsecurity.com/files/135273/Qualys-Security-Advisory-OpenSSH-Overflow-Leak.html vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00007.html mailing list third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175592.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00009.html mailing list third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-2869-1 third party advisory vendor advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388 third party advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html third party advisory
http://www.debian.org/security/2016/dsa-3446 third party advisory vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Frequently Asked Questions

What is the severity of CVE-2016-0777?
CVE-2016-0777 has been scored as a medium severity vulnerability.
How to fix CVE-2016-0777?
To fix CVE-2016-0777, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-0777 being actively exploited in the wild?
It is possible that CVE-2016-0777 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~67% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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