VDB-97306 · CVE-2017-5927 · BID 96459

ARM CPU information disclosure

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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability was found in ARM CPU. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2017-5927. The attack can be executed remotely. There is not any exploit available. This vulnerability has historical importance owing to its background and reception.

Detailsinfo

A vulnerability was found in ARM CPU (Chip Software) (version now known). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the last level cache of modern ARM processors. By performing a side-channel attack on the MMU operations, it is possible to leak data and code pointers from JavaScript, breaking ASLR.

The bug was discovered 02/27/2017. The weakness was released 02/27/2017 (Website). The advisory is available at cs.vu.nl. This vulnerability was named CVE-2017-5927 since 02/07/2017. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/02/2020). This vulnerability is assigned to T1592 by the MITRE ATT&CK project. This vulnerability has a historic impact due to its background and reception.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 96459†). Entries connected to this vulnerability are available at VDB-97304, VDB-97305 and VDB-97307. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.8
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/07/2017 🔍
02/27/2017 +20 days 🔍
02/27/2017 +0 days 🔍
02/27/2017 +0 days 🔍
02/27/2017 +0 days 🔍
02/27/2017 +0 days 🔍
09/02/2020 +1283 days 🔍

Sourcesinfo

Advisory: cs.vu.nl
Status: Not defined

CVE: CVE-2017-5927 (🔍)
GCVE (CVE): GCVE-0-2017-5927
GCVE (VulDB): GCVE-100-97306
SecurityFocus: 96459 - Multiple ARM Processor CVE-2017-5927 Local Security Bypass Vulnerability
OSVDB: - CVE-2017-5927 - MMU - AnC Attack Issue

See also: 🔍

Entryinfo

Created: 02/27/2017 21:05
Updated: 09/02/2020 14:57
Changes: 02/27/2017 21:05 (59), 09/02/2020 14:57 (4)
Complete: 🔍
Cache ID: 216:2E2:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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