CVE-2016-10708
openssh: Out of sequence NEWKEYS message can allow remote attacker to cause denial of service
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.
sshd en OpenSSH, en versiones anteriores a la 7.4, permite que atacantes remotos provoquen una denegación de servicio (desreferencia de puntero NULL y cierre inesperado del demonio) mediante un mensaje NEWKEYS fuera de secuencia, tal y como demuestra Honggfuzz, relacionado con kex.c y packet.c.
USN-3809-1 fixed vulnerabilities in OpenSSH. The update for CVE-2018-15473 was incomplete and could introduce a regression in certain environments. This update fixes the problem. Robert Swiecki discovered that OpenSSH incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. It was discovered that OpenSSH incorrectly handled certain requests. An attacker could possibly use this issue to access sensitive information. Various other issues were also addressed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-01-21 CVE Reserved
- 2018-01-21 CVE Published
- 2024-08-06 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-476: NULL Pointer Dereference
CAPEC
References (13)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/102780 | Third Party Advisory | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf | X_refsource_confirm |
|
| https://kc.mcafee.com/corporate/index?page=content&id=SB10284 | X_refsource_confirm | |
| https://lists.debian.org/debian-lts-announce/2018/01/msg00031.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20180423-0003 | Third Party Advisory |
|
| https://support.f5.com/csp/article/K32485746?utm_source=f5support&%3Butm_medium=RSS | X_refsource_confirm |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html | 2023-11-07 | |
| https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737 | 2023-11-07 |
| URL | Date | SRC |
|---|---|---|
| https://usn.ubuntu.com/3809-1 | 2023-11-07 | |
| https://www.openssh.com/releasenotes.html | 2023-11-07 | |
| https://access.redhat.com/security/cve/CVE-2016-10708 | 2017-08-01 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1537929 | 2017-08-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | Vasa Provider Search vendor "Netapp" for product "Vasa Provider" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap" | - | - |
Safe
|
| Openbsd Search vendor "Openbsd" | Openssh Search vendor "Openbsd" for product "Openssh" | < 7.4 Search vendor "Openbsd" for product "Openssh" and version " < 7.4" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Cloud Backup Search vendor "Netapp" for product "Cloud Backup" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Data Ontap Search vendor "Netapp" for product "Data Ontap" | - | 7-mode |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Data Ontap Edge Search vendor "Netapp" for product "Data Ontap Edge" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Oncommand Unified Manager Search vendor "Netapp" for product "Oncommand Unified Manager" | >= 9.4 Search vendor "Netapp" for product "Oncommand Unified Manager" and version " >= 9.4" | vsphere |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Service Processor Search vendor "Netapp" for product "Service Processor" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Storagegrid Search vendor "Netapp" for product "Storagegrid" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Storagegrid Webscale Search vendor "Netapp" for product "Storagegrid Webscale" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Clustered Data Ontap Search vendor "Netapp" for product "Clustered Data Ontap" | - | - |
Affected
| ||||||