Vulnerability-Lookup

CNVD-2025-11973

Vulnerability from cnvd - Published: 2025-06-09

Title

GNU C Library代码问题漏洞

Description

GNU C Library是GNU社区的一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library存在代码问题漏洞，攻击者可利用该漏洞导致动态共享库加载。

Severity

高

Patch Name

GNU C Library代码问题漏洞的补丁

Patch Description

GNU C Library是GNU社区的一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library存在代码问题漏洞，攻击者可利用该漏洞导致动态共享库加载。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://www.gnu.org/software/libc/

Reference

http://www.openwall.com/lists/oss-security/2025/05/16/7

Impacted products

Name
Gnu GNU C Library >=2.27，<=2.38

Show details on source website

JSON

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      "cveNumber": "CVE-2025-4802",
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  "number": "CNVD-2025-11973",
  "openTime": "2025-06-09",
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  "referenceLink": "http://www.openwall.com/lists/oss-security/2025/05/16/7",
  "serverity": "\u9ad8",
  "submitTime": "2025-05-22",
  "title": "GNU C Library\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2025-4802 (GCVE-0-2025-4802)

Vulnerability from cvelistv5 – Published: 2025-05-16 19:32 – Updated: 2026-02-26 18:28

Summary

Untrusted LD_LIBRARY_PATH environment variable vulnerability in the GNU C Library version 2.27 to 2.38 allows attacker controlled loading of dynamically shared library in statically compiled setuid binaries that call dlopen (including internal dlopen calls after setlocale or calls to NSS functions such as getaddrinfo).

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-26 03:55 UTC

CWE

CWE-426 - Untrusted Search Path

Assigner

glibc redhat root

References

5 references

URL	Tags
https://sourceware.org/cgit/glibc/commit/?id=1e18…
https://sourceware.org/bugzilla/show_bug.cgi?id=32976
http://www.openwall.com/lists/oss-security/2025/05/16/7
http://www.openwall.com/lists/oss-security/2025/05/17/2
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

1 product

Vendor	Product	Version
The GNU C Library	glibc	Affected: 2.27 , < 2.39 (custom)

Date Public

2025-05-16 19:30

Show details on NVD website

JSON

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            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00033.html"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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CNVD-2025-11973

CVE-2025-4802 (GCVE-0-2025-4802)

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