CVE-2016-8858
CVE-2016-8858
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."
CVSS 7.5 · Élevée · EPSS 29,5% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system · network
Produits et versions concernés
n/a
- Versions du logiciel
- n/a: Concernée
Aucun correctif publié
openssh Debian:12
- Plages de versions concernées
- ECOSYSTEM: < 1:7.3p1-2
Mettez à jour vers 1:7.3p1-2
openssh Debian:13
- Plages de versions concernées
- ECOSYSTEM: < 1:7.3p1-2
Mettez à jour vers 1:7.3p1-2
openssh Debian:14
- Plages de versions concernées
- ECOSYSTEM: < 1:7.3p1-2
Mettez à jour vers 1:7.3p1-2
openssh Ubuntu:Pro:14.04:LTS
- Versions du logiciel
- 1:6.2p2-6
- 1:6.2p2-6ubuntu1
- 1:6.4p1-1
- 1:6.4p1-2
- 1:6.5p1-1
- 1:6.5p1-2
- 1:6.5p1-3
- 1:6.5p1-4
- 1:6.5p1-6
- 1:6.6p1-1
- 1:6.6p1-2
- 1:6.6p1-2ubuntu1
- 1:6.6p1-2ubuntu2
- 1:6.6p1-2ubuntu2.2
- 1:6.6p1-2ubuntu2.3
- 1:6.6p1-2ubuntu2.4
- 1:6.6p1-2ubuntu2.6
- 1:6.6p1-2ubuntu2.7
- 1:6.6p1-2ubuntu2.8
- 1:6.6p1-2ubuntu2.10
- 1:6.6p1-2ubuntu2.11
- 1:6.6p1-2ubuntu2.12
- 1:6.6p1-2ubuntu2.13
- 1:6.6p1-2ubuntu2.13+esm1
- 1:6.6p1-2ubuntu2.13+esm2
- 1:6.6p1-2ubuntu2.13+esm3
- 1:6.6p1-2ubuntu2.13+esm4
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
openssh Ubuntu:Pro:16.04:LTS
- Versions du logiciel
- 1:6.9p1-2
- 1:6.9p1-3
- 1:7.1p1-1
- 1:7.1p1-3
- 1:7.1p1-4
- 1:7.1p1-6
- 1:7.1p2-1
- 1:7.1p2-2
- 1:7.2p1-1
- 1:7.2p2-1
- 1:7.2p2-2
- 1:7.2p2-3
- 1:7.2p2-4
- 1:7.2p2-4ubuntu1
- 1:7.2p2-4ubuntu2.1
- 1:7.2p2-4ubuntu2.2
- 1:7.2p2-4ubuntu2.4
- 1:7.2p2-4ubuntu2.5
- 1:7.2p2-4ubuntu2.6
- 1:7.2p2-4ubuntu2.7
- 1:7.2p2-4ubuntu2.8
- 1:7.2p2-4ubuntu2.10
- 1:7.2p2-4ubuntu2.10+esm1
- 1:7.2p2-4ubuntu2.10+esm2
- 1:7.2p2-4ubuntu2.10+esm3
- 1:7.2p2-4ubuntu2.10+esm4
- 1:7.2p2-4ubuntu2.10+esm5
- 1:7.2p2-4ubuntu2.10+esm6
- 1:7.2p2-4ubuntu2.10+esm7
- 1:7.2p2-4ubuntu2.10+esm8
- 1:7.2p2-4ubuntu2.10+esm9
- 1:7.2p2-4ubuntu2.10+esm10
- Plages de versions concernées
- ECOSYSTEM: (−∞, +∞)
Aucun correctif publié
Sources originales
- http://www.securityfocus.com/bid/93776
- http://www.openwall.com/lists/oss-security/2016/10/20/1
- https://security.netapp.com/advisory/ntap-20180201-0001/
- http://www.openwall.com/lists/oss-security/2016/10/19/3
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c.diff?r1=1.126&r2=1.127&f=h
- https://github.com/openssh/openssh-portable/commit/ec165c392ca54317dbe3064a8c200de6531e89ad
- https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/013_ssh_kexinit.patch.sig
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:33.openssh.asc
- http://www.securitytracker.com/id/1037057
- https://security.gentoo.org/glsa/201612-18
- https://bugzilla.redhat.com/show_bug.cgi?id=1384860
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c?rev=1.127&content-type=text/x-cvsweb-markup
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2016-8858