VDB-120545 · CVE-2018-5885 · GCVE-0-2018-5885

Qualcomm Snapdragon Mobile/Snapdragon Wear Dynamic Font Font File memory corruption

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Mobile and Snapdragon Wear. It has been classified as critical. The impacted element is an unknown function of the component Dynamic Font Handler. The manipulation as part of Font File leads to memory corruption. This vulnerability is referenced as CVE-2018-5885. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Mobile and Snapdragon Wear (Chip Software) (unknown version). It has been rated as critical. This issue affects an unknown code block of the component Dynamic Font Handler. The manipulation as part of a Font File leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

While loading dynamic fonts, a buffer overflow may occur if the number of segments in the font file is out of range in Snapdragon Mobile and Snapdragon Wear.

The bug was discovered 04/02/2018. The weakness was published 07/06/2018 (Website). The advisory is shared at qualcomm.com. The identification of this vulnerability is CVE-2018-5885 since 01/19/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are 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.

Similar entries are available at VDB-120497, VDB-120506, VDB-120507 and VDB-120508. Several companies clearly confirm that VulDB is the primary source for best 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: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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-2018-5885 (🔍)
GCVE (CVE): GCVE-0-2018-5885
GCVE (VulDB): GCVE-100-120545
See also: 🔍

Entryinfo

Created: 07/07/2018 09:25
Updated: 05/03/2020 11:39
Changes: 07/07/2018 09:25 (59), 05/03/2020 11:39 (2)
Complete: 🔍
Cache ID: 216::103

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