CVE Vulnerability

CVE-2021-22873

Revive Adserver before 5.1.0 is vulnerable to open redirects via the `dest`, `oadest`, and/or `ct0` parameters of the lg.php and ck.php delivery scripts. Such open redirects had previously been available by design to allow third party ad servers to track such metrics when delivering ads. However, third party click tracking via redirects is not a viable option anymore, leading to such open redirect functionality being removed and reclassified as a vulnerability.

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://hackerone.com/reports/1081406 Exploit Third Party Advisory
https://github.com/revive-adserver/revive-adserver/issues/1068 Issue Tracking Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jan/60 Broken Link Mailing List
http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html Third Party Advisory VDB Entry
https://www.revive-adserver.com/security/revive-sa-2021-001/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*
Information

Published : 2021-01-26 06:16

Updated : 2021-02-02 03:09

NVD link : CVE-2021-22873

Mitre link : CVE-2021-22873

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')