Microsoft Edge PDF Reader information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Edge. This issue affects some unknown processing of the component PDF Reader. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2018-0998. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Edge (Web Browser) (the affected version is unknown). It has been classified as problematic. This affects an unknown code of the component PDF Reader. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

An information disclosure vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-0892.

The bug was discovered 04/10/2018. The weakness was presented 04/10/2018 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2018-0998 since 12/01/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

An information disclosure vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.

The vulnerability scanner Nessus provides a plugin with the ID 108960 (KB4093107: Windows 10 Version 1703 April 2018 Security Update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91443 (Microsoft Edge Security Update for April 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108960) and SecurityFocus (BID 103598†). See VDB-115991, VDB-115992, VDB-115996 and VDB-115998 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.3
Vendor Vector (Microsoft): 🔍

NVD Base Score: 4.3
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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Nessus ID: 108960
Nessus Name: KB4093107: Windows 10 Version 1703 April 2018 Security Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 860874
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4093107)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/01/2017 🔍
04/10/2018 +130 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
02/09/2021 +1035 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Abdulrahman Al-Qabandi
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0998 (🔍)
GCVE (CVE): GCVE-0-2018-0998
GCVE (VulDB): GCVE-100-116043

OVAL: 🔍

SecurityFocus: 103598 - Microsoft Edge CVE-2018-0998 Information Disclosure Vulnerability
SecurityTracker: 1040650

See also: 🔍

Entryinfo

Created: 04/11/2018 15:02
Updated: 02/09/2021 15:17
Changes: 04/11/2018 15:02 (85), 01/24/2020 07:56 (5), 02/09/2021 15:13 (2), 02/09/2021 15:17 (1)
Complete: 🔍
Cache ID: 216::103

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