9.8
CRITICAL
CVE-2019-5434
Revive Adserver unserialize() Object Injection Vulnerability
Description

An attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize() call on the "what" parameter in the "openads.spc" RPC method. Such vulnerability could be used to perform various types of attacks, e.g. exploit serialize-related PHP vulnerabilities or PHP object injection. It is possible, although unconfirmed, that the vulnerability has been used by some attackers in order to gain access to some Revive Adserver instances and deliver malware through them to third party websites. This vulnerability was addressed in version 4.2.0.

INFO

Published Date :

May 6, 2019, 5:29 p.m.

Last Modified :

Nov. 21, 2024, 4:44 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-5434 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Revive-sas revive_adserver
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-5434 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-5434 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 05, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/155559/Revive-Adserver-4.2-Remote-Code-Execution.html [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE HackerOne CWE-502
  • Initial Analysis by [email protected]

    May. 09, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://hackerone.com/reports/512076 No Types Assigned https://hackerone.com/reports/512076 Third Party Advisory
    Changed Reference Type https://www.revive-adserver.com/security/revive-sa-2019-001/ No Types Assigned https://www.revive-adserver.com/security/revive-sa-2019-001/ Vendor Advisory
    Changed Reference Type https://hackerone.com/reports/542670 No Types Assigned https://hackerone.com/reports/542670 Third Party Advisory
    Added CWE CWE-502
    Added CPE Configuration OR *cpe:2.3:a:revive-sas:revive_adserver:*:*:*:*:*:*:*:* versions up to (excluding) 4.2.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-5434 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-5434 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

28.86 }} 0.72%

score

0.96935

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability