CVE-2019-1999

In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2019-02-01	Vendor Advisory
https://www.exploit-db.com/exploits/46357/	Exploit Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/106851	Broken Link
https://usn.ubuntu.com/3979-1/	Third Party Advisory
https://www.debian.org/security/2019/dsa-4495	Third Party Advisory
https://seclists.org/bugtraq/2019/Aug/13	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*

Information

Published : 2019-02-28 09:29

Updated : 2022-04-22 13:42

NVD link : CVE-2019-1999

Mitre link : CVE-2019-1999

JSON object : View

CWE

CWE-415

Double Free

Products Affected

debian

debian_linux

google

android

canonical

ubuntu_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://source.android.com/security/bulletin/2019-02-01", "name": "https://source.android.com/security/bulletin/2019-02-01", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.exploit-db.com/exploits/46357/", "name": "46357", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "refsource": "EXPLOIT-DB"}, {"url": "http://www.securityfocus.com/bid/106851", "name": "106851", "tags": ["Broken Link"], "refsource": "BID"}, {"url": "https://usn.ubuntu.com/3979-1/", "name": "USN-3979-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "https://www.debian.org/security/2019/dsa-4495", "name": "DSA-4495", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "https://seclists.org/bugtraq/2019/Aug/13", "name": "20190812 [SECURITY] [DSA 4495-1] linux security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-415"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-1999", "ASSIGNER": "security@android.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}}, "publishedDate": "2019-02-28T17:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"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:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-04-22T20:42Z"}

7.8 /10