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CVE-2016-0778

Good to know:

Date: January 13, 2016

The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.

Language: C

Severity Score

8.1

Related Resources (34)

Url: http://seclists.org/fulldisclosure/2016/Jan/44

Url: https://bto.bluecoat.com/security-advisory/sa109

Url: http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html

Url: http://www.securityfocus.com/archive/1/537295/100/0/threaded

Url: http://www.openssh.com/txt/release-7.1p2

Url: https://security.gentoo.org/glsa/201601-01

Url: https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: http://www.debian.org/security/2016/dsa-3446

Url: http://www.openwall.com/lists/oss-security/2016/01/14/7

Url: http://www.securitytracker.com/id/1034671

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00007.html

Url: http://packetstormsecurity.com/files/135273/Qualys-Security-Advisory-OpenSSH-Overflow-Leak.html

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10734

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0778

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00008.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Url: https://support.apple.com/HT206167

Url: http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00013.html

Url: https://access.redhat.com/security/cve/CVE-2016-0778

Url: https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00014.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00006.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680

Url: http://www.securityfocus.com/bid/80698

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722

Url: http://www.ubuntu.com/usn/USN-2869-1

Url: http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00009.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388

Url: https://www.mend.io/vulnerability-database/CVE-2016-0778

Severity Score

8.1

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

Upgrade Version

Upgrade to version 7.1p2

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CVSS v3.1

Base Score:	8.1
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	4.6
Access Vector (AV):	NETWORK
Access Complexity (AC):	HIGH
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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CVE-2016-0778

Good to know:

Date: January 13, 2016

Language: C

Severity Score

Related Resources (34)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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