CVE-2015-7855
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
The decodenetnum function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (assertion failure) via a 6 or mode 7 packet containing a long data value.
Overview
- CVE ID
- CVE-2015-7855
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2017-08-07T20:29:00
- Last Modified Date
- 2021-04-19T15:33:20
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 1 | OR | 4.2.0 | 4.2.8 |
| cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 1 | OR | 4.3.0 | 4.3.77 |
| cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:* | 1 | OR | ||
| cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:* | 1 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:tim_4r-ie_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:siemens:tim_4r-ie:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:siemens:tim_4r-ie_dnp3_firmware:*:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:h:siemens:tim_4r-ie_dnp3:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1274264 | Issue Tracking Third Party Advisory VDB Entry |
| http://www.securityfocus.com/bid/77283 | Third Party Advisory VDB Entry |
| http://support.ntp.org/bin/view/Main/NtpBug2922 | Patch Vendor Advisory |
| https://security.gentoo.org/glsa/201607-15 | Third Party Advisory VDB Entry |
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05270839 | Third Party Advisory VDB Entry |
| https://www.exploit-db.com/exploits/40840/ | Exploit Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1033951 | Third Party Advisory VDB Entry |
| http://www.debian.org/security/2015/dsa-3388 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20171004-0001/ | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11 | Third Party Advisory US Government Resource |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2015-7855 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7855 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:15:27 | Added to TrackCVE | |||
| 2022-12-02 19:29:22 | 2017-08-07T20:29Z | 2017-08-07T20:29:00 | CVE Published Date | updated |
| 2022-12-02 19:29:22 | 2021-04-19T15:33:20 | CVE Modified Date | updated | |
| 2022-12-02 19:29:22 | Analyzed | Vulnerability Status | updated |