Google Android Linux Kernel double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Google Android. It has been rated as problematic. This vulnerability affects unknown code of the component Linux Kernel. The manipulation leads to double free. This vulnerability is traded as CVE-2018-11987. An attack has to be approached locally. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version unknown) and classified as problematic. This issue affects an unknown function of the component Linux Kernel. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is availability. The summary by CVE is:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, if there is an unlikely memory alloc failure for the secure pool in boot, it can result in wrong pointer access causing kernel panic.

The bug was discovered 12/03/2018. The weakness was shared 12/20/2018 (Website). It is possible to read the advisory at codeaurora.org. The identification of this vulnerability is CVE-2018-11987 since 06/07/2018. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem.

The entries VDB-128141, VDB-128210, VDB-128211 and VDB-128212 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

06/07/2018 🔍
12/03/2018 +179 days 🔍
12/20/2018 +17 days 🔍
12/20/2018 +0 days 🔍
12/21/2018 +1 days 🔍
04/22/2020 +488 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: codeaurora.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11987 (🔍)
GCVE (CVE): GCVE-0-2018-11987
GCVE (VulDB): GCVE-100-128219
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 12/21/2018 12:08
Updated: 04/22/2020 17:38
Changes: 12/21/2018 12:08 (60), 04/22/2020 17:38 (2)
Complete: 🔍
Cache ID: 216::103

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