Vulnerability CVE-2018-4883

Vulnerability Name:

CVE-2018-4883 (CCN-138963)

Assigned:

2018-02-13

Published:

2018-02-13

Updated:

2018-03-16

Summary:

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 because of computation that reads data that is past the end of the target buffer; the computation is part of the image conversion engine that handles Enhanced Metafile Format (EMF). A successful attack can lead to sensitive data exposure.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2018-4883

Source: BID
Type: Third Party Advisory, VDB Entry
102996

Source: CCN
Type: BID-102996
Adobe Acrobat and Reader APSB18-02 Out of Bounds Read Multiple Remote Code Execution Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040364

Source: XF
Type: UNKNOWN
adobe-reader-cve20184883-code-exec(138963)

Source: CCN
Type: Adobe Security Bulletin APSB18-02
Security Updates Available for Adobe Acrobat and Reader

Source: CONFIRM
Type: Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb18-02.html

Source: CCN
Type: ZDI-18-180
Adobe Acrobat Pro DC ImageConversion EMF EMR_EXTTEXTOUTA Options Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Vulnerable Configuration:

Configuration 1:

cpe:/a:adobe:acrobat:*:*:*:*:*:*:*:* (Version > 17.0 and <= 17.011.30070)

OR cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= - and <= 18.009.20050)

OR cpe:/a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* (Version >= 15.0 and <= 15.006.30394)

OR cpe:/a:adobe:acrobat_reader:*:*:*:*:*:*:*:* (Version >= 17.0 and <= 17.011.30070)

OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= - and <= 18.009.20050)

OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* (Version >= 15.0 and <= 15.006.30394)

Configuration CCN 1:

cpe:/a:adobe:acrobat_2017:2017.011.30070:*:*:*:*:*:*:*

OR cpe:/a:adobe:acrobat_reader_2017:2017.011.30070:*:*:*:*:*:*:*

OR cpe:/a:adobe:acrobat_dc:2015.006.30394::~~classic~~~:*:*:*:*:*

OR cpe:/a:adobe:acrobat_reader_dc:2015.006.30394::~~classic~~~:*:*:*:*:*

OR cpe:/a:adobe:acrobat_dc:2018.009.20050::~~continuous~~~:*:*:*:*:*

OR cpe:/a:adobe:acrobat_reader_dc:2018.009.20050::~~continuous~~~:*:*:*:*:*

Denotes that component is vulnerable

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