CVE-2024-8176— Libexpat: expat: improper restriction of xml entity expansion depth in libexpat
I. Basic Information for CVE-2024-8176
Vulnerability Information
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Vulnerability Title
Libexpat: expat: improper restriction of xml entity expansion depth in libexpat
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack overflow vulnerability exists in the libexpat library due to the way it handles recursive entity expansion in XML documents. When parsing an XML document with deeply nested entity references, libexpat can be forced to recurse indefinitely, exhausting the stack space and causing a crash. This issue could lead to denial of service (DoS) or, in some cases, exploitable memory corruption, depending on the environment and library usage.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
libexpat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libexpat是libexpat团队的一款使用C语言编写的流式XML解析器。 libexpat存在安全漏洞，该漏洞源于处理XML文档中的递归实体扩展时可能导致栈溢出，从而引发拒绝服务或内存损坏。
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 |
|---|---|---|---|---|
| - | - | 0 ~ 2.7.0 | - | |
| Red Hat | Red Hat Enterprise Linux 10 | 0:2.7.1-1.el10_0 ~ * | cpe:/o:redhat:enterprise_linux:10.0 | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:2.2.5-17.el8_10 ~ * | cpe:/o:redhat:enterprise_linux:8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:1.51.0-11.el8_10 ~ * | cpe:/a:redhat:enterprise_linux:8::crb | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:2.2.10-1.el8_2 ~ * | cpe:/o:redhat:rhel_aus:8.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:1.51.0-5.el8_2.2 ~ * | cpe:/o:redhat:rhel_aus:8.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:2.2.10-1.el8_4 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:1.51.0-5.el8_4.2 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | 0:2.2.10-1.el8_4 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:1.51.0-5.el8_4.2 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:1.51.0-5.el8_4.2 ~ * | cpe:/o:redhat:rhel_aus:8.4::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:2.2.10-1.el8_6 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | 0:1.51.0-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:2.2.10-1.el8_6 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | 0:1.51.0-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:2.2.10-1.el8_6 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | 0:1.51.0-6.el8_6.1 ~ * | cpe:/o:redhat:rhel_aus:8.6::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:1.51.0-8.el8_8.1 ~ * | cpe:/a:redhat:rhel_eus:8.8::crb | |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | 0:2.2.10-1.el8_8 ~ * | cpe:/o:redhat:rhel_tus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | 0:2.2.10-1.el8_8 ~ * | cpe:/o:redhat:rhel_tus:8.8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.5.0-3.el9_5.3 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.5.0-5.el9_6 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.5.0-3.el9_5.3 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:2.5.0-5.el9_6 ~ * | cpe:/a:redhat:enterprise_linux:9::appstream | |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | 0:2.2.10-12.el9_0.4 ~ * | cpe:/o:redhat:rhel_e4s:9.0::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:2.5.0-1.el9_2.3 ~ * | cpe:/o:redhat:rhel_e4s:9.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:2.5.0-2.el9_4.3 ~ * | cpe:/o:redhat:rhel_eus:9.4::baseos | |
| Red Hat | Red Hat JBoss Core Services 2.4.62.SP1 | - | cpe:/a:redhat:jboss_core_services:1 | |
| Red Hat | DevWorkspace Operator 0.33 | sha256:937e1dff95d06b971adee9aeb55e0e2e963b6b14594f30354bb9cdb039c081dd ~ * | cpe:/a:redhat:devworkspace:0.33::el9 | |
| Red Hat | Red Hat Discovery 1.14 | sha256:ad1045aa0de937c3a6969ec377f7bfeda9a44ee434a954e8245e9840316ffc1c ~ * | cpe:/a:redhat:discovery:1.14::el9 | |
| Red Hat | Red Hat Discovery 1.14 | sha256:492e412759cf0eedfa5b557f7b0865f8864f84d0ed75e11dc8d7a840837d9644 ~ * | cpe:/a:redhat:discovery:1.14::el9 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2024-8176
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/uthrasri/Expat_2.6.2_CVE-2024-8176 | POC Details |
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IV. Related Vulnerabilities
Same weakness: CWE-674
V. Comments for CVE-2024-8176
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