VDB-124621 · CVE-2018-17825 · Nessus 120850

AdPlug 2.3.1 emuopl.cpp CEmuopl double free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in AdPlug 2.3.1. It has been rated as problematic. This affects the function CEmuopl of the file emuopl.cpp. This manipulation causes double free. This vulnerability is handled as CVE-2018-17825. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in AdPlug 2.3.1. It has been declared as problematic. Affected by this vulnerability is the function CEmuopl of the file emuopl.cpp. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in AdPlug 2.3.1. There are several double-free vulnerabilities in the CEmuopl class in emuopl.cpp because of a destructor's two OPLDestroy calls, each of which frees TL_TABLE, SIN_TABLE, AMS_TABLE, and VIB_TABLE.

The bug was discovered 09/04/2018. The weakness was released 10/01/2018 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2018-17825 since 09/30/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120850 (Fedora 29 : adplug (2018-de3a0ba76e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120850). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

AdPlug

Version

2.3.1

Website

Product: https://github.com/adplug/adplug/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 120850
Nessus Name: Fedora 29 : adplug (2018-de3a0ba76e)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/04/2018 🔍
09/30/2018 +25 days 🔍
10/01/2018 +1 days 🔍
10/01/2018 +0 days 🔍
10/01/2018 +0 days 🔍
12/25/2018 +85 days 🔍
01/03/2019 +9 days 🔍
05/19/2023 +1597 days 🔍