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NVD Vulnerability Details :
CVE-2019-16905
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-09 Oct, 2019 | 20:15
Updated At-17 Apr, 2025 | 21:15

OpenSSH 7.7 through 7.9 and 8.x before 8.1, when compiled with an experimental key type, has a pre-authentication integer overflow if a client or server is configured to use a crafted XMSS key. This leads to memory corruption and local code execution because of an error in the XMSS key parsing algorithm. NOTE: the XMSS implementation is considered experimental in all released OpenSSH versions, and there is no supported way to enable it when building portable OpenSSH.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.04.4MEDIUM
AV:L/AC:M/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 4.4
Base severity: MEDIUM
Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P
CPE Matches
OpenBSD
openbsd
>>openssh>>Versions from 7.7(inclusive) to 7.9(inclusive)
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
OpenBSD
openbsd
>>openssh>>Versions from 8.0(inclusive) to 8.1(exclusive)
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
NetApp, Inc.
netapp
>>cloud_backup>>-
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
NetApp, Inc.
netapp
>>steelstore_cloud_integrated_storage>>-
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>scalance_x204rna_firmware>>Versions before 3.2.7(exclusive)
cpe:2.3:o:siemens:scalance_x204rna_firmware:*:*:*:*:*:*:*:*
Siemens AG
siemens
>>scalance_x204rna>>-
cpe:2.3:h:siemens:scalance_x204rna:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>scalance_x204rna_ecc_firmware>>Versions before 3.2.7(exclusive)
cpe:2.3:o:siemens:scalance_x204rna_ecc_firmware:*:*:*:*:*:*:*:*
Siemens AG
siemens
>>scalance_x204rna_ecc>>-
cpe:2.3:h:siemens:scalance_x204rna_ecc:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-190Primarynvd@nist.gov
CWE ID: CWE-190
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.suse.com/show_bug.cgi?id=1153537cve@mitre.org
Issue Tracking
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfcve@mitre.org
Third Party Advisory
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.ccve@mitre.org
Release Notes
Vendor Advisory
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c.diff?r1=1.5&r2=1.6&f=hcve@mitre.org
Patch
https://security.gentoo.org/glsa/201911-01cve@mitre.org
Third Party Advisory
https://security.netapp.com/advisory/ntap-20191024-0003/cve@mitre.org
Third Party Advisory
https://ssd-disclosure.com/archives/4033/ssd-advisory-openssh-pre-auth-xmss-integer-overflowcve@mitre.org
Exploit
Third Party Advisory
https://www.openssh.com/releasenotes.htmlcve@mitre.org
Release Notes
https://www.openwall.com/lists/oss-security/2019/10/09/1cve@mitre.org
Mailing List
Third Party Advisory
https://0day.life/exploits/0day-1009.htmlaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1153537af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdfaf854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.caf854a3a-2127-422b-91ae-364da2661108
Release Notes
Vendor Advisory
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c.diff?r1=1.5&r2=1.6&f=haf854a3a-2127-422b-91ae-364da2661108
Patch
https://security.gentoo.org/glsa/201911-01af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.netapp.com/advisory/ntap-20191024-0003/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://ssd-disclosure.com/archives/4033/ssd-advisory-openssh-pre-auth-xmss-integer-overflowaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
https://www.openssh.com/releasenotes.htmlaf854a3a-2127-422b-91ae-364da2661108
Release Notes
https://www.openwall.com/lists/oss-security/2019/10/09/1af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
Hyperlink: https://bugzilla.suse.com/show_bug.cgi?id=1153537
Source: cve@mitre.org
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c.diff?r1=1.5&r2=1.6&f=h
Source: cve@mitre.org
Resource:
Patch
Hyperlink: https://security.gentoo.org/glsa/201911-01
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://security.netapp.com/advisory/ntap-20191024-0003/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://ssd-disclosure.com/archives/4033/ssd-advisory-openssh-pre-auth-xmss-integer-overflow
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.openssh.com/releasenotes.html
Source: cve@mitre.org
Resource:
Release Notes
Hyperlink: https://www.openwall.com/lists/oss-security/2019/10/09/1
Source: cve@mitre.org
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://0day.life/exploits/0day-1009.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: https://bugzilla.suse.com/show_bug.cgi?id=1153537
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshkey-xmss.c.diff?r1=1.5&r2=1.6&f=h
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Hyperlink: https://security.gentoo.org/glsa/201911-01
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://security.netapp.com/advisory/ntap-20191024-0003/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://ssd-disclosure.com/archives/4033/ssd-advisory-openssh-pre-auth-xmss-integer-overflow
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.openssh.com/releasenotes.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Release Notes
Hyperlink: https://www.openwall.com/lists/oss-security/2019/10/09/1
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Change History
0Changes found
Details not found