CVE-2020-37011— Gnome Fonts Viewer 3.34.0 Heap Corruption
Quick assessment
Affected
GNOME Fonts Viewer
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.
GNOME Fonts Viewer是GNOME开源的一个字体管理工具。 Gnome Fonts Viewer 3.34.0版本存在安全漏洞，该漏洞源于恶意TTF字体文件可能导致堆损坏和越界写入，可能使进程崩溃。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GNOME | Fonts Viewer | 3.34.0 |
affected |
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I. Basic Information for CVE-2020-37011
Vulnerability Information
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Vulnerability Title
Gnome Fonts Viewer 3.34.0 Heap Corruption
Source: CVE Program / CVE List V5
Vulnerability Description
Gnome Fonts Viewer 3.34.0 contains a heap corruption vulnerability that allows attackers to trigger an out-of-bounds write by crafting a malicious TTF font file. Attackers can generate a specially crafted TTF file with an oversized pattern to exhaust memory through repeated malloc() calls and potentially crash the gnome-font-viewer process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
GNOME Fonts Viewer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNOME Fonts Viewer是GNOME开源的一个字体管理工具。 Gnome Fonts Viewer 3.34.0版本存在安全漏洞，该漏洞源于恶意TTF字体文件可能导致堆损坏和越界写入，可能使进程崩溃。
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 |
|---|---|---|---|---|
| GNOME | Fonts Viewer | 3.34.0 | - |
|
II. Public POCs for CVE-2020-37011
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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V. Comments for CVE-2020-37011
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