CVE-2015-6640

The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123.

CVSS v3 7.8 HIGH
CVSS v2.0 9.3 HIGH

7.8^/10

CVSS v3 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.3^/10

CVSS v2.0 : HIGH

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

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://source.android.com/security/bulletin/2016-01-01.html	Vendor Advisory
http://www.securitytracker.com/id/1034592
https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:4.4.4:::::::*
	cpe:2.3:o:google:android:5.0:::::::*
	cpe:2.3:o:google:android:5.1.1:::::::*
	cpe:2.3:o:google:android:6.0:::::::*

History

No history.

Information

Published : 2016-01-06 19:59

Updated : 2024-02-28 15:21

NVD link : CVE-2015-6640

Mitre link : CVE-2015-6640

CVE.ORG link : CVE-2015-6640

JSON object : View

Products Affected

google

android

CWE

CWE-264

Permissions, Privileges, and Access Controls

{"id": "CVE-2015-6640", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2016-01-06T19:59:05.190", "references": [{"url": "http://source.android.com/security/bulletin/2016-01-01.html", "tags": ["Vendor Advisory"], "source": "security@android.com"}, {"url": "http://www.securitytracker.com/id/1034592", "source": "security@android.com"}, {"url": "https://android.googlesource.com/kernel%2Fcommon/+/69bfe2d957d903521d32324190c2754cb073be15", "source": "security@android.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-264"}]}], "descriptions": [{"lang": "en", "value": "The prctl_set_vma_anon_name function in kernel/sys.c in Android before 5.1.1 LMY49F and 6.0 before 2016-01-01 does not ensure that only one vma is accessed in a certain update action, which allows attackers to gain privileges or cause a denial of service (vma list corruption) via a crafted application, aka internal bug 20017123."}, {"lang": "es", "value": "La funci\u00f3n prctl_set_vma_anon_name en kernel/sys.c en Android en versiones anteriores a 5.1.1 LMY49F y 6.0 en versiones anteriores a 2016-01-01 no asegura que se accede a un solo vma en cierta acci\u00f3n de actualizaci\u00f3n, lo que permite a atacantes obtener privilegios o causar una denegaci\u00f3n de servicio (corrupci\u00f3n de lista vma) a trav\u00e9s de una aplicaci\u00f3n manipulada, tambi\u00e9n conocida como error interno 20017123."}], "lastModified": "2016-12-07T18:20:51.577", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3CEEA22-63B4-4702-A400-01349DF0EC1E"}, {"criteria": "cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C4E6353-B77A-464F-B7DE-932704003B33"}, {"criteria": "cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1D94CDD-DE7B-444E-A3AE-AE9C9A779374"}, {"criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}