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THREATINT
PUBLISHED

CVE-2024-8408

Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow



Description

EN DE

A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Eine kritische Schwachstelle wurde in Linksys WRT54G 4.21.5 ausgemacht. Betroffen davon ist die Funktion validate_services_port der Datei /apply.cgi der Komponente POST Parameter Handler. Durch die Manipulation des Arguments services_array mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2024-09-04 | Published 2024-09-04 | Updated 2024-09-04 | Assigner VulDB


MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P

Problem types

CWE-121 Stack-based Buffer Overflow

Product status

4.21.5
affected

Timeline

2024-09-04:Advisory disclosed
2024-09-04:VulDB entry created
2024-09-04:VulDB entry last update

Credits

Buaa1otTeam (VulDB User) reporter

References

vuldb.com/?id.276488 (VDB-276488 | Linksys WRT54G POST Parameter apply.cgi validate_services_port stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.276488 (VDB-276488 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.398567 (Submit #398567 | Linksys WRT54G v4.21.5 Command Injection) third-party-advisory

github.com/.../main/Linksys_WRT54G_validate_services_port.md exploit

www.linksys.com/ product

cve.org (CVE-2024-8408)

nvd.nist.gov (CVE-2024-8408)

Download JSON

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