CVE-2023-25824— mod_gnutls contains Infinite Loop on request read timeout
Quick assessment
Affected
airtower-luna mod_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.
mod_gnutls是基于 GnuTLS 的 Apache HTTPD 的 TLS 模块。 Mod_gnutls 0.12.1之前版本存在安全漏洞，该漏洞源于没有正确阻止TLS连接上的读取操作，攻击者利用该漏洞可以造成拒绝服务攻击。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-25824
Vulnerability Information
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Vulnerability Title
mod_gnutls contains Infinite Loop on request read timeout
Source: CVE Program / CVE List V5
Vulnerability Description
Mod_gnutls is a TLS module for Apache HTTPD based on GnuTLS. Versions from 0.9.0 to 0.12.0 (including) did not properly fail blocking read operations on TLS connections when the transport hit timeouts. Instead it entered an endless loop retrying the read operation, consuming CPU resources. This could be exploited for denial of service attacks. If trace level logging was enabled, it would also produce an excessive amount of log output during the loop, consuming disk space. The problem has been fixed in commit d7eec4e598158ab6a98bf505354e84352f9715ec, please update to version 0.12.1. There are no workarounds, users who cannot update should apply the errno fix detailed in the security advisory.
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
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
Mod_gnutls 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mod_gnutls是基于 GnuTLS 的 Apache HTTPD 的 TLS 模块。 Mod_gnutls 0.12.1之前版本存在安全漏洞，该漏洞源于没有正确阻止TLS连接上的读取操作，攻击者利用该漏洞可以造成拒绝服务攻击。
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 |
|---|---|---|---|---|
| airtower-luna | mod_gnutls | >= 0.9.0, < 0.12.1 | - |
|
II. Public POCs for CVE-2023-25824
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-25824 (1)
Vendor Advisories for CVE-2023-25824 (2)
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942737#25 x_refsource_MISC
IV. Related Vulnerabilities
Same weakness: CWE-835
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V. Comments for CVE-2023-25824
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