Vulnerability CVE-2018-4995

Vulnerability Name:

CVE-2018-4995 (CCN-143799)

Assigned:

2018-05-15

Published:

2018-05-15

Updated:

2019-10-03

Summary:

Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an XFA '\n' POST injection vulnerability. Successful exploitation could lead to a security bypass.

CVSS v3 Severity:

9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

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:

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

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

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-74

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2018-4995

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040920

Source: XF
Type: UNKNOWN
adobe-reader-cve20184995-priv-esc(143799)

Source: CCN
Type: Adobe Security Bulletin APSB18-09
Security Updates Available for Adobe Acrobat and Reader

Source: MISC
Type: Patch, Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb18-09.html

Vulnerable Configuration:

Configuration 1:

cpe:/a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* (Version >= 15.006.30060 and <= 15.006.30417)

OR cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 18.011.20038)

OR cpe:/a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* (Version >= 17.011.30059 and <= 17.011.30079)

OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* (Version >= 15.006.30060 and <= 15.006.30417)

OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 18.011.20038)

OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* (Version >= 17.011.30059 and <= 17.011.30079)

AND

cpe:/o:apple:mac_os_x:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

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