VDB-120507 · CVE-2018-11258 · GCVE-0-2018-11258

Qualcomm Snapdragon Automobile ADSP RPC 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.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Qualcomm Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear. This affects an unknown part of the component ADSP RPC. Performing a manipulation results in use after free. This vulnerability is reported as CVE-2018-11258. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear (Chip Software) (affected version not known). It has been classified as critical. This affects some unknown functionality of the component ADSP RPC. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In ADSP RPC in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear, a Use After Free condition can occur in versions MDM9206, MDM9607, MDM9650, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 425, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SD 845, SDX20.

The bug was discovered 02/05/2018. The weakness was disclosed 07/06/2018 (Website). It is possible to read the advisory at qualcomm.com. This vulnerability is uniquely identified as CVE-2018-11258 since 05/18/2018. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for 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 151 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 SecurityTracker (ID 1041432†). The entries VDB-120497, VDB-120506, VDB-120508 and VDB-120529 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Chip Software

Vendor

Qualcomm

Name

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
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

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/05/2018 🔍
05/18/2018 +102 days 🔍
07/06/2018 +48 days 🔍
07/06/2018 +0 days 🔍
07/07/2018 +1 days 🔍
04/26/2025 +2485 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-11258 (🔍)
GCVE (CVE): GCVE-0-2018-11258
GCVE (VulDB): GCVE-100-120507
SecurityTracker: 1041432

See also: 🔍

Entryinfo

Created: 07/07/2018 09:12
Updated: 04/26/2025 03:57
Changes: 07/07/2018 09:12 (58), 05/03/2020 10:45 (2), 04/26/2025 03:57 (19)
Complete: 🔍
Cache ID: 216:404:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.