CVE-2017-18076

In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b	Patch Third Party Advisory
https://github.com/omniauth/omniauth/pull/867	Patch Third Party Advisory
https://bugs.debian.org/888523	Issue Tracking Third Party Advisory
https://www.debian.org/security/2018/dsa-4109	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:omniauth:omniauth:*:*:*:*:*:ruby:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2018-01-26 11:29

Updated : 2019-10-02 17:03

NVD link : CVE-2017-18076

Mitre link : CVE-2017-18076

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

debian

debian_linux

omniauth

omniauth

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b", "name": "https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://github.com/omniauth/omniauth/pull/867", "name": "https://github.com/omniauth/omniauth/pull/867", "tags": ["Patch", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugs.debian.org/888523", "name": "https://bugs.debian.org/888523", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2018/dsa-4109", "name": "DSA-4109", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2017-18076", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2018-01-26T19:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:omniauth:omniauth:*:*:*:*:*:ruby:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.3.2"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-03T00:03Z"}