CVE-2015-7851

Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 3.5 LOW

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://support.ntp.org/bin/view/Main/SecurityNotice	Release Notes Vendor Advisory
http://support.ntp.org/bin/view/Main/NtpBug2918	Vendor Advisory
http://www.talosintel.com/reports/TALOS-2015-0062/	Exploit Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ntp:ntp::::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p2::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p3::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3::::::
	cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2::::::
	cpe:2.3:a:ntp:ntp::::::::

Information

Published : 2020-01-28 09:15

Updated : 2020-06-18 11:33

NVD link : CVE-2015-7851

Mitre link : CVE-2015-7851

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Advertisement

Products Affected

ntp

ntp

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://support.ntp.org/bin/view/Main/SecurityNotice", "name": "http://support.ntp.org/bin/view/Main/SecurityNotice", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "http://support.ntp.org/bin/view/Main/NtpBug2918", "name": "http://support.ntp.org/bin/view/Main/NtpBug2918", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "http://www.talosintel.com/reports/TALOS-2015-0062/", "name": "http://www.talosintel.com/reports/TALOS-2015-0062/", "tags": ["Exploit", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Directory traversal vulnerability in the save_config function in ntpd in ntp_control.c in NTP before 4.2.8p4, when used on systems that do not use '\\' or '/' characters for directory separation such as OpenVMS, allows remote authenticated users to overwrite arbitrary files."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-22"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2015-7851", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2020-01-28T17:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.2.8", "versionStartIncluding": "4.2.0"}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.3.77", "versionStartIncluding": "4.3.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-06-18T18:33Z"}