Detections
Analytics
Adobe Reader < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55) (macOS)
high Nessus Plugin ID 153365
Language:
Synopsis
The version of Adobe Reader installed on the remote macOS host is affected by multiple vulnerabilities.Description
The version of Adobe Reader installed on the remote macOS host is a version prior to 2017.011.30202, 2020.004.30015, or 2021.007.20091. It is, therefore, affected by multiple vulnerabilities.- Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForm field that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
(CVE-2021-40726)
- Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file.
An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-39863)
- Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Type Confusion vulnerability. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-39841)
- Adobe Acrobat Reader DC add-on for Internet Explorer versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to check for existence of local files.
Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page. (CVE-2021-39857)
- Acrobat Reader DC ActiveX Control versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page. (CVE-2021-39856)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to Adobe Reader version 2017.011.30202 / 2020.004.30015 / 2021.007.20091 or later.See Also
https://helpx.adobe.com/security/products/acrobat/apsb21-55.html
Plugin Details
Severity: High
ID: 153365
File Name: macos_adobe_reader_apsb21-55.nasl
Version: 1.10
Type: local
Agent: macosx
Family: MacOS X Local Security Checks
Published: 9/14/2021
Updated: 11/20/2024
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-40726
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS Score Source: CVE-2021-39863
Vulnerability Information
CPE: cpe:/a:adobe:acrobat_reader
Required KB Items: Host/local_checks_enabled, Host/MacOSX/Version, installed_sw/Adobe Reader
Exploit Ease: No known exploits are available
Patch Publication Date: 9/14/2021
Vulnerability Publication Date: 9/14/2021
Reference Information
CVE: CVE-2021-35982, CVE-2021-39836, CVE-2021-39837, CVE-2021-39838, CVE-2021-39839, CVE-2021-39840, CVE-2021-39841, CVE-2021-39842, CVE-2021-39843, CVE-2021-39844, CVE-2021-39845, CVE-2021-39846, CVE-2021-39849, CVE-2021-39850, CVE-2021-39851, CVE-2021-39852, CVE-2021-39853, CVE-2021-39854, CVE-2021-39855, CVE-2021-39856, CVE-2021-39857, CVE-2021-39858, CVE-2021-39859, CVE-2021-39860, CVE-2021-39861, CVE-2021-39863, CVE-2021-40725, CVE-2021-40726