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CVE-2021-21779

Quick assessment

Affected
n/a Webkit
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.

Apple Safari是美国苹果（Apple）公司的一款Web浏览器，是Mac OS X和iOS操作系统附带的默认浏览器。 Apple Safari 中存在资源管理错误漏洞，该漏洞源于GraphicsContext 处理某些事件的方式中存在一个释放后重用漏洞。 特制网页可能导致潜在的信息泄漏和进一步的内存损坏。 必须诱骗受害者访问恶意网页才能触发此漏洞。

AI Predicted 8.8 Difficulty: Easy EPSS 2.90% · P86
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I. Basic Information for CVE-2021-21779

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Apple Safari 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple Safari是美国苹果（Apple）公司的一款Web浏览器，是Mac OS X和iOS操作系统附带的默认浏览器。 Apple Safari 中存在资源管理错误漏洞，该漏洞源于GraphicsContext 处理某些事件的方式中存在一个释放后重用漏洞。 特制网页可能导致潜在的信息泄漏和进一步的内存损坏。 必须诱骗受害者访问恶意网页才能触发此漏洞。
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
- Webkit Webkit WebKitGTK 2.30.4 -

II. Public POCs for CVE-2021-21779

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III. Intelligence Information for CVE-2021-21779

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Vendor Advisories for CVE-2021-21779 (1)

Mailing List Discussions for CVE-2021-21779 (3)

Other References for CVE-2021-21779 (1)

Same Patch Batch · n/a · 2021-07-08 · 27 CVEs total

CVE-2020-20582 MipCMS 代码问题漏洞
CVE-2021-21821 Accusoft ImageGear 缓冲区错误漏洞
CVE-2021-21806 WebKitGTK+ 资源管理错误漏洞
CVE-2021-21793 Accusoft ImageGear缓冲区错误漏洞
CVE-2021-21794 Accusoft ImageGear 缓冲区错误漏洞
CVE-2020-28598 PrusaSlicer 缓冲区错误漏洞
CVE-2020-20217 MikroTik RouterOS 资源管理错误漏洞
CVE-2021-34110 WinWaste.NET 安全漏洞
CVE-2021-29150 Aruba ClearPass Policy Manager 代码问题漏洞
CVE-2021-29151 Aruba ClearPass Policy Manager 授权问题漏洞
CVE-2021-29152 Aruba ClearPass Policy Manager 资源管理错误漏洞
CVE-2021-34611 Aruba ClearPass Policy Manager 命令注入漏洞
CVE-2021-34610 Aruba ClearPass Policy Manager 命令注入漏洞
CVE-2021-34616 Aruba ClearPass Policy Manager 命令注入漏洞
CVE-2020-20583 Ljcmsshop SQL注入漏洞
CVE-2020-20584 baigo CMS 跨站脚本漏洞
CVE-2020-20585 Metinfo MetInfo SQL注入漏洞
CVE-2020-20586 XYHCMS 跨站请求伪造漏洞
CVE-2020-18741 ThinkSAAS 安全漏洞
CVE-2021-34609 Aruba ClearPass Policy Manager SQL注入漏洞

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Webkit
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2021-21779

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