Google Android 8.0/8.1 CryptoPlugin.cpp CryptoPlugin::decrypt 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 marked as critical has been reported in Google Android 8.0/8.1. This issue affects the function CryptoPlugin::decrypt of the file CryptoPlugin.cpp. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2017-13253. The attack needs to be launched locally. Furthermore, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Google Android 8.0/8.1 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is the function CryptoPlugin::decrypt of the file CryptoPlugin.cpp. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In CryptoPlugin::decrypt of CryptoPlugin.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: 8.0, 8.1. Android ID: A-71389378.

The bug was discovered 03/15/2018. The weakness was published 04/04/2018 by Amir with Zimperium zLabs (Website). It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2017-13253 since 08/23/2017. Attacking locally is a requirement. A single authentication is needed for exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Exploit-DB (44291) and SecurityFocus (BID 103255†). Similar entries are available at VDB-114373, VDB-114375, VDB-114638 and VDB-114639. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

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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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: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2017 🔍
03/05/2018 +194 days 🔍
03/15/2018 +10 days 🔍
04/04/2018 +20 days 🔍
04/04/2018 +0 days 🔍
04/05/2018 +1 days 🔍
06/06/2024 +2254 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Researcher: Vasily Vasiliev, Zinuo Han (Amir)
Organization: Zimperium zLabs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-13253 (🔍)
GCVE (CVE): GCVE-0-2017-13253
GCVE (VulDB): GCVE-100-115735
SecurityFocus: 103255 - Google Android Media framework Multiple Remote Code Execution Vulnerabilities

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

Entryinfo

Created: 04/05/2018 09:01
Updated: 06/06/2024 13:27
Changes: 04/05/2018 09:01 (64), 01/21/2020 16:52 (9), 02/08/2021 14:33 (2), 06/06/2024 13:27 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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