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CVE-2021-32492

Quick assessment

Affected
n/a djvulibre
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.

Arch Linux是Arch开源的一个应用系统。一个轻量级且灵活的Linux®发行版，试图使它保持简单。 Arch Linux 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.93% · P58

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-32492

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in djvulibre-3.5.28 and earlier. An out of bounds read in function DJVU::DataPool::has_data() via crafted djvu file may lead to application crash and other consequences.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Arch Linux 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arch Linux是Arch开源的一个应用系统。一个轻量级且灵活的Linux®发行版，试图使它保持简单。 Arch Linux 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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
- djvulibre djvulibre-3.5.28 and earlier -

II. Public POCs for CVE-2021-32492

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-32492

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Vendor Advisories for CVE-2021-32492 (1)

Same Patch Batch · n/a · 2021-06-24 · 35 CVEs total

CVE-2021-23398 6.1 MEDIUM Cross-site Scripting (XSS)
CVE-2021-32491 DjVuLibre 输入验证错误漏洞
CVE-2020-18665 WebPort 系统设置标签路径遍历漏洞
CVE-2020-18667 Moldeo WebPort SQL注入漏洞
CVE-2021-33000 Advantech WebAccess HMI Designer 缓冲区错误漏洞
CVE-2021-33004 Advantech WebAccess HMI Designer 缓冲区错误漏洞
CVE-2020-18668 Philips Tasy WebPortal 跨站脚本漏洞
CVE-2021-33002 Advantech WebAccess HMI Designer 缓冲区错误漏洞
CVE-2021-3500 Arch Linux 缓冲区错误漏洞
CVE-2020-18670 Roundcube Webmail 跨站脚本漏洞
CVE-2020-21784 slackero phpwcms 代码注入漏洞
CVE-2020-18671 Roundcube Webmail 跨站脚本漏洞
CVE-2021-32490 DjVuLibre 缓冲区错误漏洞
CVE-2021-32493 Arch Linux 缓冲区错误漏洞
CVE-2020-17759 Evernote命令注入漏洞
CVE-2020-17753 Ethereum token 安全漏洞
CVE-2020-17752 Ethereum token 输入验证错误漏洞
CVE-2021-35448 Remote Mouse 处理逻辑错误漏洞
CVE-2021-21737 ZXV10 B860H 安全漏洞
CVE-2020-18664 WebPort 跨站脚本漏洞

Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: djvulibre
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2021-32492

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