Qualcomm Snapdragon Mobile/Snapdragon Wear SSR Processor Variable use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Qualcomm Snapdragon Mobile and Snapdragon Wear. This affects an unknown part of the component SSR Processor. The manipulation as part of Variable leads to use after free. This vulnerability is documented as CVE-2018-5891. The attack needs to be performed locally. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Mobile and Snapdragon Wear (Chip Software) (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component SSR Processor. The manipulation as part of a Variable 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:

While processing modem SSR after IMS is registered, the IMS data daemon is restarted but the ipc_dataHandle is no longer available. Consequently, the DPL thread frees the internal memory for dataDHandle but the local variable pointer is not updated which can lead to a Use After Free condition in Snapdragon Mobile and Snapdragon Wear.

The bug was discovered 04/02/2018. The weakness was released 07/06/2018 (Website). It is possible to read the advisory at qualcomm.com. The identification of this vulnerability is CVE-2018-5891 since 01/19/2018. 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 95 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-120497, VDB-120506, VDB-120507 and VDB-120508. Be aware that VulDB is the high quality 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: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.4
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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2018 🔍
04/02/2018 +73 days 🔍
07/06/2018 +94 days 🔍
07/06/2018 +0 days 🔍
07/07/2018 +1 days 🔍
05/03/2020 +666 days 🔍

Sourcesinfo

Vendor: qualcomm.com

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

CVE: CVE-2018-5891 (🔍)
GCVE (CVE): GCVE-0-2018-5891
GCVE (VulDB): GCVE-100-120551
See also: 🔍

Entryinfo

Created: 07/07/2018 09:27
Updated: 05/03/2020 11:43
Changes: 07/07/2018 09:27 (59), 05/03/2020 11:43 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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