CVE-2017-7507

GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application.

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:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.debian.org/security/2017/dsa-3884
http://www.securityfocus.com/bid/99102	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2292
https://www.gnutls.org/security.html#GNUTLS-SA-2017-4	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-06-16 19:29

Updated : 2018-01-05 02:31

NVD link : CVE-2017-7507

Mitre link : CVE-2017-7507

CVE.ORG link : CVE-2017-7507

JSON object : View

Products Affected

gnu

gnutls

CWE

CWE-476

NULL Pointer Dereference

{"id": "CVE-2017-7507", "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:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2017-06-16T19:29:00.190", "references": [{"url": "http://www.debian.org/security/2017/dsa-3884", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/99102", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2017:2292", "source": "secalert@redhat.com"}, {"url": "https://www.gnutls.org/security.html#GNUTLS-SA-2017-4", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "GnuTLS version 3.5.12 and earlier is vulnerable to a NULL pointer dereference while decoding a status response TLS extension with valid contents. This could lead to a crash of the GnuTLS server application."}, {"lang": "es", "value": "GnuTLS versi\u00f3n 3.5.12 y anteriores, es vulnerable a una desreferencia del puntero NULL durante la descodificaci\u00f3n de una extensi\u00f3n TLS de respuesta de estado con contenido v\u00e1lido. Esto podr\u00eda conllevar a un bloqueo de la aplicaci\u00f3n del servidor GnuTLS."}], "lastModified": "2018-01-05T02:31:51.950", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6117AAF1-2C27-4ED7-9C7A-F5A57FA2EC0A", "versionEndIncluding": "3.5.12"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}