VDB-124725 · CVE-2018-9491 · BID 105484

Google Android up to 9.0 NdkMediaCodec.cpp AMediaCodecCryptoInfo_new integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Android up to 9.0. The impacted element is the function AMediaCodecCryptoInfo_new of the file NdkMediaCodec.cpp. Performing a manipulation results in integer overflow. This vulnerability is known as CVE-2018-9491. Attacking locally is a requirement. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Android up to 9.0 (Smartphone Operating System). This affects the function AMediaCodecCryptoInfo_new of the file NdkMediaCodec.cpp. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In AMediaCodecCryptoInfo_new of NdkMediaCodec.cpp, there is a possible out-of-bounds write due to an integer overflow. This could lead to remote code execution in external apps with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0 Android ID: A-111603051

The bug was discovered 10/01/2018. The weakness was published 10/02/2018 with Google (Website). The advisory is shared at source.android.com. This vulnerability is uniquely identified as CVE-2018-9491 since 04/05/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/29/2020). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 1 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 vulnerability database at SecurityFocus (BID 105484†). Similar entries are available at VDB-124721, VDB-124722, VDB-124723 and VDB-124724. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/05/2018 🔍
10/01/2018 +179 days 🔍
10/01/2018 +0 days 🔍
10/02/2018 +0 days 🔍
10/02/2018 +0 days 🔍
10/03/2018 +1 days 🔍
03/29/2020 +543 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Organization: Google
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9491 (🔍)
GCVE (CVE): GCVE-0-2018-9491
GCVE (VulDB): GCVE-100-124725
SecurityFocus: 105484 - Google Android 'Framework' Component Multiple Security Vulnerabilities

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

Entryinfo

Created: 10/03/2018 08:05
Updated: 03/29/2020 10:28
Changes: 10/03/2018 08:05 (63), 03/29/2020 10:28 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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