VDB-127252 · CVE-2017-18317 · BID 105838

Qualcomm Snapdragon Automobile/Snapdragon Mobile up to SD 820A Modem input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Automobile and Snapdragon Mobile 12/MSM8996AU/SD 410/SD 820/SD 820A. It has been declared as critical. This issue affects some unknown processing of the component Modem. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2017-18317. The attack is restricted to local execution. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Automobile and Snapdragon Mobile 12/MSM8996AU/SD 410/SD 820/SD 820A (Chip Software). This vulnerability affects some unknown processing of the component Modem. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Restrictions related to the modem (sim lock, sim kill) can be bypassed by manipulating the system to issue a deactivation flow sequence in Snapdragon Automobile, Snapdragon Mobile in versions MSM8996AU,SD 410/12,SD 820,SD 820A.

The bug was discovered 11/05/2018. The weakness was disclosed 11/28/2018 (Website). The advisory is shared for download at qualcomm.com. This vulnerability was named CVE-2017-18317 since 06/15/2018. 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 vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105838†). The entries VDB-120497, VDB-120506, VDB-120507 and VDB-120508 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Input validation
CWE: CWE-20
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2018 🔍
11/05/2018 +143 days 🔍
11/05/2018 +0 days 🔍
11/28/2018 +23 days 🔍
11/28/2018 +0 days 🔍
11/29/2018 +1 days 🔍
05/03/2020 +521 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18317 (🔍)
GCVE (CVE): GCVE-0-2017-18317
GCVE (VulDB): GCVE-100-127252
SecurityFocus: 105838 - Qualcomm Closed-Source Components Multiple Unspecified Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/29/2018 07:38
Updated: 05/03/2020 21:45
Changes: 11/29/2018 07:38 (61), 05/03/2020 21:45 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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