CVE-2016-1232

The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

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
http://blog.prosody.im/prosody-0-9-9-security-release/	Patch Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html
http://www.debian.org/security/2016/dsa-3439
http://www.openwall.com/lists/oss-security/2016/01/08/5
https://prosody.im/issues/issue/571
https://prosody.im/security/advisory_20160108-2/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:prosody:prosody::::::::
	cpe:2.3:a:prosody:prosody:0.9.0:::::::*
	cpe:2.3:a:prosody:prosody:0.9.1:::::::*
	cpe:2.3:a:prosody:prosody:0.9.2:::::::*
	cpe:2.3:a:prosody:prosody:0.9.3:::::::*
	cpe:2.3:a:prosody:prosody:0.9.4:::::::*
	cpe:2.3:a:prosody:prosody:0.9.5:::::::*
	cpe:2.3:a:prosody:prosody:0.9.6:::::::*
	cpe:2.3:a:prosody:prosody:0.9.7:::::::*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:22:::::::*
	cpe:2.3:o:fedoraproject:fedora:23:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

History

No history.

Information

Published : 2016-01-12 20:59

Updated : 2016-06-09 11:39

NVD link : CVE-2016-1232

Mitre link : CVE-2016-1232

CVE.ORG link : CVE-2016-1232

JSON object : View

Products Affected

debian

debian_linux

fedoraproject

fedora

prosody

prosody

CWE

NVD-CWE-Other

{"id": "CVE-2016-1232", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/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}]}, "published": "2016-01-12T20:59:10.200", "references": [{"url": "http://blog.prosody.im/prosody-0-9-9-security-release/", "tags": ["Patch", "Vendor Advisory"], "source": "security@debian.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175829.html", "source": "security@debian.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175868.html", "source": "security@debian.org"}, {"url": "http://www.debian.org/security/2016/dsa-3439", "source": "security@debian.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/01/08/5", "source": "security@debian.org"}, {"url": "https://prosody.im/issues/issue/571", "source": "security@debian.org"}, {"url": "https://prosody.im/security/advisory_20160108-2/", "tags": ["Vendor Advisory"], "source": "security@debian.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "The mod_dialback module in Prosody before 0.9.9 does not properly generate random values for the secret token for server-to-server dialback authentication, which makes it easier for attackers to spoof servers via a brute force attack."}, {"lang": "es", "value": "El m\u00f3dulo mod_dialback en Prosody en versiones anteriores a 0.9.9 no genera adecuadamente valores aleatorios para para el token secreto en la autenticaci\u00f3n de devoluci\u00f3n de llamada de servidor a servidor, lo que hace que sea m\u00e1s f\u00e1cil para atacantes suplantar servidores a trav\u00e9s de un ataque de fuerza bruta."}], "lastModified": "2016-06-09T11:39:32.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "83032BB7-AE53-4E17-90F1-5BA84367BC23", "versionEndIncluding": "0.9.8"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "69BF8C97-A90B-4F1D-9300-F8BF411BDF69"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B70430C5-9AA2-46D5-B7DD-ED08CB980F47"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "19FFAE24-10BB-4F88-A0BF-105B4B6A702D"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "668FF630-38DC-44BF-ACC8-2F519B788175"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DADDF029-1D55-4B48-B535-BBF677B10C29"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB07BA0E-AA91-4773-AC6C-63C825D6D114"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6E8D0F2-485E-441A-94F5-5FEF084B38F8"}, {"criteria": "cpe:2.3:a:prosody:prosody:0.9.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D2251303-150D-439D-9AE3-A0B61379A0B4"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E79AB8DD-C907-4038-A931-1A5A4CFB6A5B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}], "evaluatorComment": "<a href=\"https://cwe.mitre.org/data/definitions/338.html\">CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)</a>", "sourceIdentifier": "security@debian.org"}