Adobe Acrobat Reader use after 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 Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040. It has been declared as critical. Affected by this issue is some unknown functionality. Such manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2018-12776. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040 (Document Reader Software). Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability.

The bug was discovered 07/10/2018. The weakness was disclosed 07/10/2018 by Aleksandar Nikolic with Zero Day Initiative as APSB18-21 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2018-12776 since 06/25/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/09/2024).

The vulnerability scanner Nessus provides a plugin with the ID 111009 (Adobe Acrobat < 15.006.30434 / 17.011.30096 / 18.011.20055 Multiple Vulnerabilities (APSB18-21) (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371060 (Adobe Reader and Acrobat Multiple Security Vulnerabilities (APSB18-21)).

Upgrading to version 2015.006.30434, 2017.011.30096 or 2018.011.20055 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111009), SecurityFocus (BID 104701†) and SecurityTracker (ID 1041250†). zdnet.com is providing further details. The entries VDB-121210, VDB-121211, VDB-121212 and VDB-121213 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Document Reader Software

Vendor

Adobe

Name

Acrobat Reader

Version

License

free

Website

Vendor: https://www.adobe.com/

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: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 111009
Nessus Name: Adobe Acrobat < 15.006.30434 / 17.011.30096 / 18.011.20055 Multiple Vulnerabilities (APSB18-21) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Acrobat Reader 2015.006.30434/2017.011.30096/2018.011.20055

Timelineinfo

06/25/2018 🔍
07/10/2018 +15 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/10/2018 +0 days 🔍
07/11/2018 +1 days 🔍
07/12/2018 +1 days 🔍
07/20/2018 +7 days 🔍
08/09/2024 +2212 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB18-21
Researcher: Aleksandar Nikolic
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12776 (🔍)
GCVE (CVE): GCVE-0-2018-12776
GCVE (VulDB): GCVE-100-121232

OVAL: 🔍

SecurityFocus: 104701 - Adobe Acrobat and Reader APSB18-21 Multiple Arbitrary Code Execution Vulnerabilities
SecurityTracker: 1041250

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 07/11/2018 16:25
Updated: 08/09/2024 18:44
Changes: 07/11/2018 16:25 (78), 03/02/2020 15:35 (7), 04/06/2023 14:10 (4), 08/09/2024 18:44 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.