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CVE-2024-33599— nscd: Stack-based buffer overflow in netgroup cache

Quick assessment

Affected
The GNU C Library glibc
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.

glibc（GNU C Library）是GNU计划所实现的C标准库。 glibc 2.15版本存在安全漏洞，该漏洞源于如果Name Service Cache Daemon（nscd）的固定大小缓存已耗尽，可能会导致基于堆栈的缓冲区溢出。

AI Predicted 4.4 Difficulty: Moderate EPSS 1.31% · P71

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
The GNU C Library glibc 2.15< 2.40 affected
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I. Basic Information for CVE-2024-33599

Vulnerability Information
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Vulnerability Title
nscd: Stack-based buffer overflow in netgroup cache
Source: CVE Program / CVE List V5
Vulnerability Description
nscd: Stack-based buffer overflow in netgroup cache If the Name Service Cache Daemon's (nscd) fixed size cache is exhausted by client requests then a subsequent client request for netgroup data may result in a stack-based buffer overflow. This flaw was introduced in glibc 2.15 when the cache was added to nscd. This vulnerability is only present in the nscd binary.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
glibc 安全漏洞
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 2.15版本存在安全漏洞，该漏洞源于如果Name Service Cache Daemon（nscd）的固定大小缓存已耗尽，可能会导致基于堆栈的缓冲区溢出。
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
The GNU C Library glibc 2.15 ~ 2.40 -

II. Public POCs for CVE-2024-33599

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III. Intelligence Information for CVE-2024-33599

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Vendor Advisories for CVE-2024-33599 (1)

Mailing List Discussions for CVE-2024-33599 (2)

Other References for CVE-2024-33599 (1)

Same Patch Batch · The GNU C Library · 2024-05-06 · 4 CVEs total

CVE-2024-33602 nscd: netgroup cache assumes NSS callback uses in-buffer strings
CVE-2024-33601 nscd: netgroup cache may terminate daemon on memory allocation failure
CVE-2024-33600 nscd: Null pointer crashes after notfound response

IV. Related Vulnerabilities

Same product: glibc
Same vendor: The GNU C Library
Same weakness: CWE-121