Google Android Ashmem out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Google Android and classified as critical. This affects an unknown part of the component Ashmem. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2017-13216. The attack must be carried out locally. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown) and classified as critical. This issue affects an unknown part of the component Ashmem. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 01/05/2018. The weakness was presented 01/02/2018 by Hao Liu as Android Security Bulletin - January 2018 as confirmed security bulletin (Website). It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2017-13216 since 08/23/2017. Attacking locally is a requirement. A simple authentication is necessary for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Google Security Research and been published 6 days after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351264 (Amazon Linux Security Advisory for kernel: ALAC2012-2018-003).

Applying a patch is able to eliminate this problem. A possible mitigation has been published 3 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43464), SecurityFocus (BID 102390†) and SecurityTracker (ID 1040106†). See VDB-110520, VDB-111420, VDB-111421 and VDB-111439 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

08/23/2017 🔍
01/02/2018 +132 days 🔍
01/02/2018 +0 days 🔍
01/05/2018 +3 days 🔍
01/05/2018 +0 days 🔍
01/05/2018 +0 days 🔍
01/07/2018 +2 days 🔍
01/08/2018 +1 days 🔍
01/08/2018 +0 days 🔍
01/12/2018 +4 days 🔍
06/06/2024 +2337 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - January 2018
Researcher: Hao Liu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13216 (🔍)
GCVE (CVE): GCVE-0-2017-13216
GCVE (VulDB): GCVE-100-111443
SecurityFocus: 102390 - Google Android Kernel Components Privilege Escalation and Information Disclosure Vulnerabilities
SecurityTracker: 1040106

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 01/07/2018 11:30
Updated: 06/06/2024 07:14
Changes: 01/07/2018 11:30 (78), 12/24/2019 14:52 (6), 01/29/2021 08:28 (3), 06/06/2024 07:14 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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