Google Android Linux Kernel Boot Image 7pk time and state

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android and classified as critical. This affects an unknown part of the component Linux Kernel. Executing a manipulation as part of Boot Image can lead to 7pk time and state. This vulnerability is registered as CVE-2017-11038. The attack needs to be launched locally. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android (Smartphone Operating System) (the affected version is unknown). This vulnerability affects an unknown code of the component Linux Kernel. The manipulation as part of a Boot Image leads to a 7pk time and state vulnerability. The CWE definition for the vulnerability is CWE-361. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, while processing the boot image header, range checks can be bypassed by supplying different versions of the header at the time of check and use.

The bug was discovered 11/08/2017. The weakness was published 11/16/2017 (Website). The advisory is shared for download at source.android.com. This vulnerability was named CVE-2017-11038 since 07/07/2017. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/07/2019). 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 8 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Similar entries are available at VDB-104449, VDB-109492, VDB-109498 and VDB-109499. Once again VulDB remains the best source 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: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: 7pk time and state
CWE: CWE-361
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

07/07/2017 🔍
11/08/2017 +124 days 🔍
11/16/2017 +8 days 🔍
11/16/2017 +0 days 🔍
11/17/2017 +1 days 🔍
12/07/2019 +750 days 🔍

Sourcesinfo

Vendor: google.com

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

CVE: CVE-2017-11038 (🔍)
GCVE (CVE): GCVE-0-2017-11038
GCVE (VulDB): GCVE-100-109540
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 11/17/2017 08:09
Updated: 12/07/2019 15:46
Changes: 11/17/2017 08:09 (59), 12/07/2019 15:46 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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