CVE-2016-6515 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.
Source:
MITRE
Description Last Modified:
08/07/2016
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
(V2 legend)
Impact Subscore:
6.9
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Complete
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
13 change records found
- show changes
CVE Modified by MITRE -
9/11/2018 6:29:01 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html [No Types Assigned] |
CVE Modified by MITRE -
5/9/2018 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03779en_us [No Types Assigned] |
CVE Modified by MITRE -
1/4/2018 9:31:06 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://access.redhat.com/errata/RHSA-2017:2029 [No Types Assigned] |
CVE Modified by MITRE -
12/1/2017 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.netapp.com/advisory/ntap-20171130-0003/ [No Types Assigned] |
CVE Modified by MITRE -
11/20/2017 9:29:05 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://security.FreeBSD.org/advisories/FreeBSD-SA-17:06.openssh.asc [No Types Assigned] |
CVE Modified by MITRE -
10/19/2017 9:29:10 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html [No Types Assigned] |
CVE Modified by MITRE -
8/31/2017 9:29:32 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securitytracker.com/id/1036487 [No Types Assigned] |
CVE Modified by MITRE -
12/22/2016 9:59:03 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://packetstormsecurity.com/files/140070/OpenSSH-7.2-Denial-Of-Service.html [No Types Assigned] |
| Added |
Reference |
|
https://www.exploit-db.com/exploits/40888/ [No Types Assigned] |
CVE Modified by MITRE -
11/28/2016 3:33:31 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/92212 [No Types Assigned] |
Modified Analysis -
8/23/2016 9:15:25 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
CPE Configuration |
Configuration 1
OR
*cpe:2.3:a:openbsd:openssh:7.2:p2:*:*:*:*:*:* (and previous) |
Configuration 1
OR
*cpe:2.3:a:openbsd:openssh:7.2:p2:*:*:*:*:*:* (and previous)
Configuration 2
OR
*cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* |
| Changed |
Reference Type |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ No Types Assigned |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ Third Party Advisory |
CVE Modified by Source -
8/22/2016 10:11:07 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X2L6RW34VFNXYNVVN2CN73YAGJ5VMTFU/ |
Modified Analysis -
8/10/2016 11:26:36 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
Configuration 1
OR
*cpe:2.3:a:openbsd:openssh:7.2:p2:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:N/I:N/A:C) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
http://openwall.com/lists/oss-security/2016/08/01/2 No Types Assigned |
http://openwall.com/lists/oss-security/2016/08/01/2 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97 No Types Assigned |
https://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97 Issue Tracking, Patch |
Initial CVE Analysis -
8/10/2016 9:31:44 AM
Quick Info
CVE Dictionary Entry:
CVE-2016-6515
NVD Published Date:
08/07/2016
NVD Last Modified:
09/11/2018
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