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CVE-2023-28319

Quick assessment

Affected
n/a https://github.com/curl/curl
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.

libcurl是一款用于从服务器传输数据或向服务器传输数据的工具。 libcurl 存在安全漏洞，该漏洞源于libcurl 提供了使用 SHA 256 哈希验证 SSH 服务器公钥的功能，当此检查失败时，libcurl 会在返回包含（现已释放的）哈希的错误消息之前释放指纹的内存，导致信息泄露。

AI Predicted 5.3 Difficulty: Moderate EPSS 2.49% · P84
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I. Basic Information for CVE-2023-28319

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 curl <v8.1.0 in the way libcurl offers a feature to verify an SSH server's public key using a SHA 256 hash. When this check fails, libcurl would free the memory for the fingerprint before it returns an error message containing the (now freed) hash. This flaw risks inserting sensitive heap-based data into the error message that might be shown to users or otherwise get leaked and revealed.
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
libcurl 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libcurl是一款用于从服务器传输数据或向服务器传输数据的工具。 libcurl 存在安全漏洞，该漏洞源于libcurl 提供了使用 SHA 256 哈希验证 SSH 服务器公钥的功能，当此检查失败时，libcurl 会在返回包含（现已释放的）哈希的错误消息之前释放指纹的内存，导致信息泄露。
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
- https://github.com/curl/curl Fixed in 8.1.0 -

II. Public POCs for CVE-2023-28319

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III. Intelligence Information for CVE-2023-28319

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Vendor Advisories for CVE-2023-28319 (5)

Mailing List Discussions for CVE-2023-28319 (3)

Other References for CVE-2023-28319 (1)

Same Patch Batch · n/a · 2023-05-26 · 26 CVEs total

CVE-2022-46945 9.1 CRITICAL NagVis 路径遍历漏洞
CVE-2023-2283 libssh 授权问题漏洞
CVE-2023-27311 NetApp BlueXP Cloud 路径遍历漏洞
CVE-2023-2898 Linux kernel 代码问题漏洞
CVE-2023-33247 Talend Data Catalog 安全漏洞
CVE-2023-33255 Papaya 跨站脚本漏洞
CVE-2023-28320 libcurl 资源管理错误漏洞
CVE-2023-28321 curl 信任管理问题漏洞
CVE-2023-28322 libcurl 安全漏洞
CVE-2023-1664 Red Hat Keycloak 信任管理问题漏洞
CVE-2023-1667 libssh 代码问题漏洞
CVE-2023-1981 Avahi 资源管理错误漏洞
CVE-2023-20868 Vmware NSX-T 跨站脚本漏洞
CVE-2023-22970 Bottle 安全漏洞
CVE-2023-33394 skycaiji 跨站脚本漏洞
CVE-2023-33439 Faculty Evaluation System SQL注入漏洞
CVE-2023-33440 Faculty Evaluation System 安全漏洞
CVE-2023-33720 MP4v2 资源管理错误漏洞
CVE-2023-20882 Cloud Foundry 安全漏洞
CVE-2023-20883 Spring Framework 资源管理错误漏洞

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: https://github.com/curl/curl
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2023-28319

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