Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-4813— Glibc: potential use-after-free in gaih_inet()

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 8
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

glibc（GNU C Library）是GNU计划所实现的C标准库。 glibc存在安全漏洞，该漏洞源于gaih_inet函数可能会使用已释放的内存，从而导致应用程序崩溃。

CVSS 5.9 · Medium EPSS 1.93% · P79

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-4813

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Glibc: potential use-after-free in gaih_inet()
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
glibc 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
glibc（GNU C Library）是GNU计划所实现的C标准库。 glibc存在安全漏洞，该漏洞源于gaih_inet函数可能会使用已释放的内存，从而导致应用程序崩溃。
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
Red Hat Red Hat Enterprise Linux 8 0:2.28-225.el8_8.6 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8 0:2.28-225.el8_8.6 ~ * cpe:/a:redhat:enterprise_linux:8::crb
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support 0:2.28-189.8.el8_6 ~ * cpe:/o:redhat:rhel_eus:8.6::baseos
Red Hat Red Hat Enterprise Linux 9 0:2.34-100.el9 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat Red Hat Enterprise Linux 9 0:2.34-60.el9_2.7 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat Red Hat Enterprise Linux 9 0:2.34-100.el9 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat Red Hat Enterprise Linux 9 0:2.34-60.el9_2.7 ~ * cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 0:2.28-189.8.el8_6 ~ * cpe:/o:redhat:rhel_eus:8.6::baseos
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

II. Public POCs for CVE-2023-4813

# POC Description Source Link Shenlong Link
1 None https://github.com/tnishiox/cve-2023-4813 POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-4813

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-4813 (7)

Mailing List Discussions for CVE-2023-4813 (1)

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 8
Same vendor: Red Hat
Same weakness: CWE-416

V. Comments for CVE-2023-4813

No comments yet

Leave a comment