CVE-2023-27538
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I. Basic Information for CVE-2023-27538
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An authentication bypass vulnerability exists in libcurl prior to v8.0.0 where it reuses a previously established SSH connection despite the fact that an SSH option was modified, which should have prevented reuse. libcurl maintains a pool of previously used connections to reuse them for subsequent transfers if the configurations match. However, two SSH settings were omitted from the configuration check, allowing them to match easily, potentially leading to the reuse of an inappropriate connection.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用基本弱点进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
libcurl 授权问题漏洞
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 v8.0.0版本存在授权问题漏洞，该漏洞源于可以重用先前建立的SSH连接，存在身份验证绕过漏洞。
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 |
|---|---|---|---|---|
| - | https://github.com/curl/curl | Fixed in 8.0.0 | - |
II. Public POCs for CVE-2023-27538
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.gentoo.org/glsa/202310-12vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-27538
Same Patch Batch · n/a · 2023-03-30 · 24 CVEs total
| CVE-2023-1744 | 6.3 MEDIUM | IBOS htaccess unrestricted upload |
| CVE-2023-1742 | 6.3 MEDIUM | IBOS Report Search getlist sql injection |
| CVE-2023-1747 | 6.3 MEDIUM | IBOS mark&op=delFromSend sql injection |
| CVE-2023-1745 | 5.3 MEDIUM | KMPlayer SHFOLDER.dll uncontrolled search path |
| CVE-2023-26116 | 5.3 MEDIUM | Angular 安全漏洞 |
| CVE-2023-26118 | 5.3 MEDIUM | Angular 安全漏洞 |
| CVE-2023-26117 | 5.3 MEDIUM | Angular 安全漏洞 |
| CVE-2023-1741 | 4.3 MEDIUM | jeecg-boot Sleep Command SysDictMapper.java sql injection |
| CVE-2023-1746 | 3.5 LOW | Dreamer CMS File Upload cross site scripting |
| CVE-2023-29059 | 3CX 安全漏洞 | |
| CVE-2023-28462 | Payara Server 安全漏洞 | |
| CVE-2023-27537 | curl 资源管理错误漏洞 | |
| CVE-2023-27536 | curl 授权问题漏洞 | |
| CVE-2023-27535 | curl 授权问题漏洞 | |
| CVE-2023-27534 | curl 路径遍历漏洞 | |
| CVE-2023-27533 | curl 注入漏洞 | |
| CVE-2023-26692 | Zijper Collectie Beheer Systeem 跨站脚本漏洞 | |
| CVE-2023-1670 | Linux kernel 资源管理错误漏洞 | |
| CVE-2023-1393 | X.org Server 资源管理错误漏洞 | |
| CVE-2022-47542 | Red Gate SQL Monitor 安全漏洞 |
Showing top 20 of 24 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-305
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Aap-controller: aap-gateway: account hijacking and unauthori - CVE-2026-4670
Improper Authentication vulnerability in Progress MOVEit Aut - CVE-2026-33472
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Siemens Industrial Edge Management 安全漏洞
V. Comments for CVE-2023-27538
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