Vulnerability-Lookup

CNVD-2025-12118

Vulnerability from cnvd - Published: 2025-06-10

Title

GNU C Library缓冲区溢出漏洞

Description

GNU C Library是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library存在缓冲区溢出漏洞，该漏洞源于iconv函数在处理不受信任的输入时出现边界错误。攻击者可利用该漏洞导致应用程序崩溃或覆盖相邻变量。

Severity

中

Patch Name

GNU C Library缓冲区溢出漏洞的补丁

Patch Description

GNU C Library是一种按照LGPL许可协议发布的开源免费的C语言编译程序。 GNU C Library存在缓冲区溢出漏洞，该漏洞源于iconv()函数在处理不受信任的输入时出现边界错误。攻击者可利用该漏洞导致应用程序崩溃或覆盖相邻变量。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://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004

Reference

https://nvd.nist.gov/vuln/detail/CVE-2024-2961

Impacted products

Name
Gnu GNU C Library <=2.39

Show details on source website

JSON

To clipboard

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CVE-2024-2961 (GCVE-0-2024-2961)

Vulnerability from cvelistv5 – Published: 2024-04-17 17:27 – Updated: 2026-10-15 00:25

Summary

The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.

Severity

7.3 (High)


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

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-01 00:00 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

glibc CNA under the redhat root

CNA scorecard B 76/100 over 14 records in the last 180 days details

References

20 references

URL	Tags
https://sourceware.org/git/?p=glibc.git;a=blob;f=…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
http://www.openwall.com/lists/oss-security/2024/04/24/2
http://www.openwall.com/lists/oss-security/2024/04/17/9
http://www.openwall.com/lists/oss-security/2024/04/18/4
https://lists.debian.org/debian-lts-announce/2024…
http://www.openwall.com/lists/oss-security/2024/05/27/2
http://www.openwall.com/lists/oss-security/2024/05/27/6
http://www.openwall.com/lists/oss-security/2024/05/27/1
http://www.openwall.com/lists/oss-security/2024/05/27/4
http://www.openwall.com/lists/oss-security/2024/05/27/5
http://www.openwall.com/lists/oss-security/2024/05/27/3
https://security.netapp.com/advisory/ntap-2024053…
http://www.openwall.com/lists/oss-security/2024/07/22/5
https://www.ambionics.io/blog/iconv-cve-2024-2961-p1
https://www.ambionics.io/blog/iconv-cve-2024-2961-p2
https://www.ambionics.io/blog/iconv-cve-2024-2961-p3
https://cert-portal.siemens.com/productcert/html/…

Impacted products

5 products

Vendor	Product	Version
The GNU C Library	glibc	Affected: 2.1.93 , < 2.40 (custom)
gnu	glibc	Affected: 2.1.93 , < 2.40 (semver) cpe:2.3:a:gnu:glibc:-:::::::*
Siemens	SIMATIC S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.5 , < * (custom)
Siemens	SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP	Affected: V3.1.5 , < * (custom)
Siemens	SIPLUS S7-1500 CPU 1518-4 PN/DP MFP	Affected: V3.1.5 , < * (custom)

Date Public

2024-04-17 17:00

Credits

Charles Fol

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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