Adobe Acrobat Reader Image Conversion Engine EMF File out-of-bounds

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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Acrobat Reader up to 2015.006.30394/2017.011.30070/2018.009.20050. The impacted element is an unknown function of the component Image Conversion Engine. This manipulation as part of EMF File causes out-of-bounds. This vulnerability is tracked as CVE-2018-4886. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 2015.006.30394/2017.011.30070/2018.009.20050 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Image Conversion Engine. The manipulation as part of a EMF File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. This vulnerability occurs as a result of computation that reads data that is past the end of the target buffer; the computation occurs in the image conversion engine when processing Enhanced Metafile Format (EMF) data related to handling of bitmap rectangles. A successful attack can lead to sensitive data exposure.

The bug was discovered 02/13/2018. The weakness was disclosed 02/13/2018 by Steven Seeley (riusksk) with Zero Day Initiative as APSB18-02 as confirmed security bulletin (Website). The advisory is shared at helpx.adobe.com. This vulnerability is known as CVE-2018-4886 since 01/03/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 106846 (Adobe Reader <= 2015.006.30394 / 2017.011.30070 / 2018.009.20050 Multiple Vulnerabilities (APSB18-02)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370776 (Adobe Reader and Acrobat Multiple Security Vulnerabilities (APSB18-02)).

Upgrading to version 2015.006.30413, 2015.006.30416, 2017.011.30078 or 2018.011.20035 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (106846) and SecurityFocus (BID 102996†). The entries VDB-113849, VDB-113850, VDB-113851 and VDB-113852 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 106846
Nessus Name: Adobe Reader <= 2015.006.30394 / 2017.011.30070 / 2018.009.20050 Multiple Vulnerabilities (APSB18-02)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63528
OpenVAS Name: Adobe Acrobat 2017 Multiple Vulnerabilities-apsb18-02 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Acrobat Reader 2015.006.30413/2015.006.30416/2017.011.30078 /2018.011.20035

Timelineinfo

01/03/2018 🔍
02/13/2018 +41 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/15/2018 +2 days 🔍
02/27/2018 +12 days 🔍
02/27/2018 +0 days 🔍
07/23/2024 +2338 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB18-02
Researcher: Steven Seeley (riusksk)
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4886 (🔍)
GCVE (CVE): GCVE-0-2018-4886
GCVE (VulDB): GCVE-100-113857

OVAL: 🔍

SecurityFocus: 102996 - Adobe Acrobat and Reader APSB18-02 Out of Bounds Read Multiple Remote Code Execution Vulnerabilities
SecurityTracker: 1040364

See also: 🔍

Entryinfo

Created: 02/27/2018 11:03
Updated: 07/23/2024 02:31
Changes: 02/27/2018 11:03 (77), 01/08/2020 20:01 (7), 02/10/2023 13:44 (4), 07/23/2024 02:31 (16)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!