Vulnerability CVE-2018-4872

Vulnerability Name:

CVE-2018-4872 (CCN-138994)

Assigned:

2018-02-13

Published:

2018-02-13

Updated:

2020-08-24

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 is a security bypass vulnerability that leads to a sandbox escape. Specifically, the vulnerability exists in the way a cross call is handled.

CVSS v3 Severity:

10.0 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
8.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/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): None Integrity (I): High Availibility (A): None

CVSS v2 Severity:

10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)

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

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

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): Complete Availibility (A): None

Vulnerability Type:

CWE-noinfo

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2018-4872

Source: BID
Type: Third Party Advisory, VDB Entry
102993

Source: CCN
Type: BID-102993
Adobe Acrobat and Reader CVE-2018-4872 Remote Privilege Escalation Vulnerability

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

Source: XF
Type: UNKNOWN
adobe-reader-cve20184872-sec-bypass(138994)

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

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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