Home

Description

EN DE

A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.

In ILIAS up to 8.23/9.13/10.1 ist eine Schwachstelle entdeckt worden. Betroffen hiervon ist die Funktion unserialize der Komponente Base64 Decoding Handler. Durch das Beeinflussen des Arguments f_settings mit unbekannten Daten kann eine deserialization-Schwachstelle ausgenutzt werden. Der Angriff kann remote ausgeführt werden. Durch ein Upgrade auf Version 8.24, 9.14 and 10.2 kann dieses Problem behoben werden. Es wird empfohlen, die betroffene Komponente zu aktualisieren.

PUBLISHED Reserved 2025-10-06 | Published 2025-10-06 | Updated 2025-10-06 | 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/E:X
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C

Problem types

Deserialization

Improper Input Validation

Timeline

2025-10-06:Advisory disclosed
2025-10-06:VulDB entry created
2025-10-06:VulDB entry last update

Credits

rehme_srlabs (VulDB User) reporter

References

vuldb.com/?id.327231 (VDB-327231 | ILIAS Base64 Decoding unserialize deserialization) vdb-entry technical-description

vuldb.com/?ctiid.327231 (VDB-327231 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.664892 (Submit #664892 | ILIAS open source e-Learning e. V. ILIAS >=8.0.0, <=10.1 Deserialization) third-party-advisory

wid.cert-bund.de/.../securityadvisory?name=WID-SEC-2025-2113 government-resource

cve.org (CVE-2025-11346)

nvd.nist.gov (CVE-2025-11346)

Download JSON