VDB-97304 · CVE-2017-5925 · BID 96452

Intel 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 Intel CPU and classified as critical. This impacts an unknown function. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2017-5925. The attack may be launched remotely. There is no exploit available. This vulnerability has a historic impact due to its background and reception.

Detailsinfo

A vulnerability was found in Intel CPU (Chip Software) (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is 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 Intel 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 shared 02/27/2017 (Website). The advisory is shared for download at cs.vu.nl. This vulnerability is handled as CVE-2017-5925 since 02/07/2017. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/02/2020). The MITRE ATT&CK project declares the attack technique as T1592. 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 96452†). The entries VDB-97305, VDB-97306 and VDB-97307 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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

Vendor: intel.com

Advisory: cs.vu.nl
Status: Not defined

CVE: CVE-2017-5925 (🔍)
GCVE (CVE): GCVE-0-2017-5925
GCVE (VulDB): GCVE-100-97304
SecurityFocus: 96452 - Multiple Intel Processor CVE-2017-5925 Local Security Bypass Vulnerability
OSVDB: - CVE-2017-5925 - MMU - AnC Attack Issue

See also: 🔍

Entryinfo

Created: 02/27/2017 21:05
Updated: 09/02/2020 14:40
Changes: 02/27/2017 21:05 (59), 09/02/2020 14:40 (4)
Complete: 🔍
Cache ID: 216:F65:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!