CVE-2021-34950— Foxit PDF Reader 缓冲区错误漏洞
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I. CVE-2021-34950の基本情報
脆弱性情報
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脆弱性タイトル
Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
Foxit PDF Reader Annotation Out-Of-Bounds Read Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14396.
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
跨界内存读
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Foxit PDF Reader 缓冲区错误漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Foxit PDF Reader是中国福昕（Foxit）公司的一款PDF阅读器。 Foxit PDF Reader 存在缓冲区错误漏洞，该漏洞源于对用户提供的数据缺乏适当的验证而导致的，这可能会导致读取超过已分配对象的末尾。攻击者可利用该漏洞在受影响的Foxit PDF Reader安装上执行任意代码。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| Foxit | PDF Reader | 11.0.0.49893 | - |
II. CVE-2021-34950の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Foxit · 2024-05-07 · 29 CVEs total
| CVE-2021-34962 | Foxit PDF Editor Caret Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34948 | Foxit PDF Reader Square Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34949 | Foxit PDF Reader Annotation Out-Of-Bounds Read Information Disclosure Vulnerability | |
| CVE-2021-34951 | Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerabi | |
| CVE-2021-34952 | Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34953 | Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerabil | |
| CVE-2021-34954 | Foxit PDF Editor StrikeOut Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34955 | Foxit PDF Editor Stamp Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34956 | Foxit PDF Editor Underline Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34957 | Foxit PDF Editor Highlight Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34958 | Foxit PDF Editor Text Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34959 | Foxit PDF Editor Square Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34960 | Foxit PDF Editor Circle Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34961 | Foxit PDF Editor Ink Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34976 | Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability | |
| CVE-2021-34963 | Foxit PDF Editor PolyLine Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34964 | Foxit PDF Editor Polygon Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34965 | Foxit PDF Editor Squiggly Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34967 | Foxit PDF Editor Line Annotation Use-After-Free Remote Code Execution Vulnerability | |
| CVE-2021-34966 | Foxit PDF Editor FileAttachment Annotation Use-After-Free Remote Code Execution Vulnerabil |
Showing 20 of 29 CVEs. View all on vendor page →
IV. 関連脆弱性
同じ製品: PDF Reader
- CVE-2025-9330
Foxit PDF Reader Update Service Uncontrolled Search Path Ele - CVE-2025-9323
Foxit PDF Reader JP2 File Parsing Out-Of-Bounds Read Informa - CVE-2025-9324
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9325
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9326
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote
同じベンダー: Foxit
- CVE-2025-9330
Foxit PDF Reader Update Service Uncontrolled Search Path Ele - CVE-2025-9323
Foxit PDF Reader JP2 File Parsing Out-Of-Bounds Read Informa - CVE-2025-9324
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9325
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Informa - CVE-2025-9326
Foxit PDF Reader PRC File Parsing Out-Of-Bounds Read Remote
同じ弱点: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. CVE-2021-34950へのコメント
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