CVE-2021-33480
Quick assessment
Affected
n/a gocr
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.
GOCR（JOCR）是一个免费的 光学字符识别程序，最初由 Jörg Schulenburg 编写。它可用于将图像文件（便携式像素图或PCX）转换或扫描为文本文件。 gocr 中存在安全漏洞，该漏洞源于在 pgm2asc.c 的 context_correction() 中存在一个 use-after-free 漏洞。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-33480
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.
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
GOCR 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GOCR（JOCR）是一个免费的 光学字符识别程序，最初由 Jörg Schulenburg 编写。它可用于将图像文件（便携式像素图或PCX）转换或扫描为文本文件。 gocr 中存在安全漏洞，该漏洞源于在 pgm2asc.c 的 context_correction() 中存在一个 use-after-free 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 |
|---|---|---|---|---|
| - | gocr | gocr 0.53-20200802 | - |
|
II. Public POCs for CVE-2021-33480
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-33480 (2)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1962854 x_refsource_MISC
-
https://security.gentoo.org/glsa/202401-28 vendor-advisory
Other References for CVE-2021-33480 (2)
-
https://sourceforge.net/p/jocr/bugs/41/ x_refsource_MISC
-
https://sourceforge.net/p/jocr/bugs/40/ x_refsource_MISC
Same Patch Batch · n/a · 2021-11-17 · 65 CVEs total
| CVE-2021-42956 | 7.8 HIGH | ZOHO ManageEngine Remote Access Plus 安全漏洞 |
| CVE-2021-42954 | 7.8 HIGH | ZOHO ManageEngine Remote Access Plus 安全漏洞 |
| CVE-2021-42955 | 7.3 HIGH | ZOHO ManageEngine Remote Access Plus 安全漏洞 |
| CVE-2021-33086 | Intel NUC 缓冲区错误漏洞 | |
| CVE-2021-33479 | GOCR 缓冲区错误漏洞 | |
| CVE-2021-43337 | Schedmd SchedMD Slurm 安全漏洞 | |
| CVE-2021-33093 | Intel NUC 访问控制错误漏洞 | |
| CVE-2021-33094 | Intel NUC 访问控制错误漏洞 | |
| CVE-2021-33095 | Intel NUC 代码问题漏洞 | |
| CVE-2021-33087 | Intel NUC 授权问题漏洞 | |
| CVE-2021-0096 | Intel NUC 授权问题漏洞 | |
| CVE-2021-33089 | Intel NUC 安全漏洞 | |
| CVE-2021-33090 | Intel NUC 安全漏洞 | |
| CVE-2021-33091 | Intel NUC 访问控制错误漏洞 | |
| CVE-2021-0121 | Intel Graphics Drivers 安全漏洞 | |
| CVE-2021-0120 | Intel Graphics Drivers 安全漏洞 | |
| CVE-2021-33097 | Intel Crypto Api Toolkit 安全漏洞 | |
| CVE-2021-33071 | Intel oneAPI Rendering Toolkit 安全漏洞 | |
| CVE-2021-0157 | Intel Processors 安全漏洞 | |
| CVE-2021-0158 | Intel Processors BIOS firmware 输入验证错误漏洞 |
Showing top 20 of 65 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-33480
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