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CVE-2021-21059— Acrobat Reader DC Buffer Overflow Vulnerability Could Lead to Arbitrary Code Execution

Quick assessment

Affected
Adobe Acrobat Reader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Acrobat Reader DC 中存在缓冲区错误漏洞，该漏洞源于该软件解析PDF文档时会导致内存损坏，攻击者可以利用此漏洞在当前用户的上下文中执行任意代码。 以下产品及型号会受到影响：2020.013.20074 和之前版本, 2020.001.30018和之前版本， 2017.011.30188和之前版本。

AI Predicted 8.8 Difficulty: Easy EPSS 2.62% · P84
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I. Basic Information for CVE-2021-21059

Vulnerability Information
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Vulnerability Title
Acrobat Reader DC Buffer Overflow Vulnerability Could Lead to Arbitrary Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Memory corruption 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat Reader 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Acrobat Reader DC 中存在缓冲区错误漏洞，该漏洞源于该软件解析PDF文档时会导致内存损坏，攻击者可以利用此漏洞在当前用户的上下文中执行任意代码。 以下产品及型号会受到影响：2020.013.20074 和之前版本, 2020.001.30018和之前版本， 2017.011.30188和之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Adobe Acrobat Reader unspecified ~ 2020.013.20074 -

II. Public POCs for CVE-2021-21059

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III. Intelligence Information for CVE-2021-21059

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Vendor Advisories for CVE-2021-21059 (1)

Same Patch Batch · Adobe · 2021-02-11 · 48 CVEs total

CVE-2021-21017 8.8 HIGH Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Ex
CVE-2021-21045 8.2 HIGH Acrobat Reader DC Improper Installer Access Control Vulnerability Could Lead To Privilege
CVE-2021-21040 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21038 7.8 HIGH Acrobat Reader DC Out-Of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21037 7.8 HIGH Acrobat Reader DC Path Traversal Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21041 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21036 7.8 HIGH Acrobat Reader DC Integer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21039 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21057 6.6 MEDIUM Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
CVE-2021-21055 6.2 MEDIUM Adobe Dreamweaver Untrusted Search Path Vulnerability Could Lead To Information Disclosure
CVE-2021-21029 4.8 MEDIUM Magento Commerce Reflected Cross-site Scripting Vulnerability Could Lead To Arbitrary Java
CVE-2021-21060 4.6 MEDIUM Acrobat Pro DC Improper File Parsing Could Lead to Information Disclosure
CVE-2021-21062 Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21034 Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2021-21046 Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21054 Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution Vu
CVE-2021-21049 Adobe Photoshop Out-Of-Bounds Read Vulnerability Could Lead To Remote Code Execution Vulne
CVE-2021-21052 Adobe Animate Out-of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21048 Adobe Photoshop Buffer Overflow Vulnerability Could Lead To Remote Code Execution Vulnerab
CVE-2021-21053 Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-787

V. Comments for CVE-2021-21059

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