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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:266588
[Eng]
Version
1
Class
vulnerability
ALTXid
499823
Language
Russian
Severity
High
Title
Уязвимость в keycloak-services до 23.0.3 (CVE-2023-6291)
Description
An issue was found in the redirect_uri validation logic that allows for a bypass of otherwise explicitly allowed hosts.The problem arises in the verifyRedirectUri method, which attempts to enforce rules on user-controllable input, but essentially causes a desynchronization in how Keycloak and browsers interpret URLs. Keycloak, for example, receives "[www%2ekeycloak%2eorg%2fapp%2f:y@example.com](https://www%2ekeycloak%2eorg%2fapp%2f:y@example.com/)" and thinks the authority to be keycloak.org when it is actually example.com. This happens because the validation logic is performed on a URL decoded version, which no longer represents the original input.### AcknowledgementsKarel Knibbe
Family
unix
Product
keycloak-services
Reference
CVE: CVE-2023-6291
CVE: CVE-2023-6291
Id:
CVE-2023-6291
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6291
Comment
: A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.
CVSSv3 Score:
7.1
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CWE:
601 (URL Redirection to Untrusted Site ('Open Redirect'))
References:
RHSA-2023:7854 ()
RHSA-2023:7855 ()
RHSA-2023:7856 ()
RHSA-2023:7857 ()
RHSA-2023:7858 ()
RHSA-2023:7860 ()
RHSA-2023:7861 ()
https://access.redhat.com/security/cve/CVE-2023-6291 ()
RHBZ#2251407 ()
RHSA-2024:0798 ()
RHSA-2024:0799 ()
RHSA-2024:0800 ()
RHSA-2024:0801 ()
RHSA-2024:0804 ()
3rdPartyLinux: Jar
3rdPartyLinux: Jar
Id:
Jar
Reference:
https://github.com/advisories?query=cve:CVE-2023-6291+type:reviewed+ecosystem:maven
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