VDB-136481 · CVE-2018-11819 · GCVE-0-2018-11819

Qualcomm Snapdragon Auto up to SDX24 WLAN Request use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$5k-$25k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Qualcomm Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT and Snapdragon Mobile. This issue affects some unknown processing of the component WLAN. The manipulation as part of Request leads to use after free. This vulnerability is documented as CVE-2018-11819. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT and Snapdragon Mobile (Chip Software) and classified as critical. This issue affects some unknown functionality of the component WLAN. The manipulation as part of a Request leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use after issue in WLAN function due to multiple ACS scan requests at a time in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 675, SD 730, SD 820A, SD 835, SD 855, SDA660, SDX20, SDX24

The bug was discovered 12/13/2017. The weakness was released 06/14/2019 (Website). The advisory is shared at codeaurora.org. The identification of this vulnerability is CVE-2018-11819 since 06/07/2018. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/24/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 548 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entries connected to this vulnerability are available at VDB-136482, VDB-136483, VDB-136484 and VDB-136485. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Chip Software

Vendor

Qualcomm

Name

Version

License

commercial

Website

Vendor: https://www.qualcomm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2017 🔍
06/07/2018 +176 days 🔍
06/14/2019 +372 days 🔍
06/15/2019 +1 days 🔍
06/24/2020 +375 days 🔍

Sourcesinfo

Vendor: qualcomm.com

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

CVE: CVE-2018-11819 (🔍)
GCVE (CVE): GCVE-0-2018-11819
GCVE (VulDB): GCVE-100-136481
OSVDB: - Google Android WLAN host code execution

See also: 🔍

Entryinfo

Created: 06/15/2019 07:49
Updated: 06/24/2020 11:10
Changes: 06/15/2019 07:49 (60), 06/24/2020 11:10 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.