CVE-2021-21057— Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
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I. Basic Information for CVE-2021-21057
Vulnerability Information
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Vulnerability Title
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
Source: NVD (National Vulnerability Database)
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 null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader 代码问题漏洞
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 中存在代码问题漏洞，该漏洞源于解析PDF文件时会导致空指针应用，未经验证的攻击者可以利用此漏洞在当前用户的上下文中实现拒绝服务。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-2021-21057
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://helpx.adobe.com/security/products/acrobat/apsb21-09.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-21057
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-2021-21036 | 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-2021-21041 | 7.8 HIGH | Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution |
| 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-2021-21058 | Acrobat Reader DC Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution | |
| 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
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Same weakness: CWE-476
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V. Comments for CVE-2021-21057
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