CVE-2021-20232
Quick assessment
Affected
n/a gnutls
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.
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 gnutls 存在安全漏洞，该漏洞源于lib/ext/pre_shared_key.c的client_send_params导致内存损坏。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20232
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in gnutls. A use after free issue in client_send_params in lib/ext/pre_shared_key.c may lead to memory corruption and other potential consequences.
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
GnuTLS 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GnuTLS是一款免费的用于实现SSL、TLS和DTLS协议的安全通信库。 gnutls 存在安全漏洞，该漏洞源于lib/ext/pre_shared_key.c的client_send_params导致内存损坏。
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 |
|---|---|---|---|---|
| - | gnutls | gnutls 3.7.1 | - |
|
II. Public POCs for CVE-2021-20232
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-20232 (1)
-
https://security.netapp.com/advisory/ntap-20210416-0005/ x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-20232 (9)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSLAE6PP33A7VYRYMYMUVB3U6B26GZER/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2021-20232 (1)
-
https://www.gnutls.org/security-new.html#GNUTLS-SA-2021-03-10 x_refsource_MISC
Same Patch Batch · n/a · 2021-03-12 · 15 CVEs total
| CVE-2021-23354 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-27290 | ssri 安全漏洞 | |
| CVE-2021-28092 | Sindre Sorhus is-svg 安全漏洞 | |
| CVE-2021-20231 | GnuTLS 资源管理错误漏洞 | |
| CVE-2021-21726 | 中兴 ZTE ZXONE 8700 输入验证错误漏洞 | |
| CVE-2021-28302 | Marcelo Roberto Jimenez pupnp 安全漏洞 | |
| CVE-2021-28305 | Georg Semmler diesel 资源管理错误漏洞 | |
| CVE-2021-28306 | Mohammed Alyousef fltk-rs 代码问题漏洞 | |
| CVE-2021-28307 | fltk crate for Rust 代码问题漏洞 | |
| CVE-2021-28308 | fltk crate for Rust 缓冲区错误漏洞 | |
| CVE-2020-36282 | Pivotal Software RabbitMQ 代码问题漏洞 | |
| CVE-2020-36281 | Dan Bloomberg Leptonica 缓冲区错误漏洞 | |
| CVE-2020-36280 | Dan Bloomberg Leptonica 缓冲区错误漏洞 | |
| CVE-2020-36279 | Dan Bloomberg Leptonica 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-20232
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