CVE-2016-7142

The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message.

CVSS v3.0 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://www.inspircd.org/2016/09/03/v2023-released.html	Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/09/05/8	Third Party Advisory
http://www.debian.org/security/2016/dsa-3662	Third Party Advisory
https://github.com/inspircd/inspircd/commit/74fafb7f11b06747f69f182ad5e3769b665eea7a
http://www.openwall.com/lists/oss-security/2016/09/04/3

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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

Information

Published : 2016-09-26 08:59

Updated : 2020-09-14 05:33

NVD link : CVE-2016-7142

Mitre link : CVE-2016-7142

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

Advertisement

Products Affected

debian

debian_linux

inspircd

inspircd

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.inspircd.org/2016/09/03/v2023-released.html", "name": "http://www.inspircd.org/2016/09/03/v2023-released.html", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2016/09/05/8", "name": "[oss-security] 20160905 Re: CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdis", "tags": ["Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.debian.org/security/2016/dsa-3662", "name": "DSA-3662", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://github.com/inspircd/inspircd/commit/74fafb7f11b06747f69f182ad5e3769b665eea7a", "name": "https://github.com/inspircd/inspircd/commit/74fafb7f11b06747f69f182ad5e3769b665eea7a", "tags": [], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2016/09/04/3", "name": "[oss-security] 20160904 CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdis", "tags": [], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The m_sasl module in InspIRCd before 2.0.23, when used with a service that supports SASL_EXTERNAL authentication, allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted SASL message."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-264"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-7142", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2016-09-26T15:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:inspircd:inspircd:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "2.0.22"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-09-14T12:33Z"}