CVE-2016-0778 | BDVDB-2026-73802 Detail
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References#
- https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00006.html
- https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/
- http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375
- http://www.securityfocus.com/archive/1/537295/100/0/threaded
- https://support.apple.com/HT206167
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10734
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.openssh.com/txt/release-7.1p2
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00014.html
- http://www.securityfocus.com/bid/80698
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html
Show all 31
- https://bto.bluecoat.com/security-advisory/sa109
- http://www.securitytracker.com/id/1034671
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00013.html
- https://security.gentoo.org/glsa/201601-01
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- http://www.openwall.com/lists/oss-security/2016/01/14/7
- http://seclists.org/fulldisclosure/2016/Jan/44
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00008.html
- http://packetstormsecurity.com/files/135273/Qualys-Security-Advisory-OpenSSH-Overflow-Leak.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00009.html
- http://www.ubuntu.com/usn/USN-2869-1
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.debian.org/security/2016/dsa-3446
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.