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.
7.9$0-$5k0.00

A vulnerability classified as critical has been found in Adobe Acrobat Reader up to 2015.006.30417/2017.011.30079/2018.011.20038 (Document Reader Software). Affected is an unknown code block. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/14/2018. The weakness was presented 05/14/2018 by Security Team with Zero Day Initiative as APSB18-09 as confirmed security bulletin (Website). The advisory is available at helpx.adobe.com. This vulnerability is traded as CVE-2018-4977 since 01/03/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/13/2023).

The vulnerability scanner Nessus provides a plugin with the ID 109897 (Adobe Acrobat < 2015.006.30418 / 2017.011.30080 / 2018.011.20040 Multiple Vulnerabilities (APSB18-09) (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 370948 (Adobe Reader and Acrobat Multiple Security Vulnerabilities (APSB18-09)).

Upgrading to version 2015.006.30418, 2017.011.30080 or 2018.011.20040 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 (109897) and SecurityFocus (BID 104169†). See VDB-117722, VDB-117723, VDB-117724 and VDB-117725 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 109897
Nessus Name: Adobe Acrobat < 2015.006.30418 / 2017.011.30080 / 2018.011.20040 Multiple Vulnerabilities (APSB18-09) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10837
OpenVAS Name: Adobe Acrobat 2017 Security Updates(apsb18-09)-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍

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 2015.006.30418/2017.011.30080/2018.011.20040

Timelineinfo

01/03/2018 🔍
05/14/2018 +131 days 🔍
05/14/2018 +0 days 🔍
05/14/2018 +0 days 🔍
05/14/2018 +0 days 🔍
05/15/2018 +0 days 🔍
05/17/2018 +2 days 🔍
07/09/2018 +52 days 🔍
03/13/2023 +1708 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB18-09
Researcher: Security Team
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2018-4977 (🔍)
OVAL: 🔍

SecurityFocus: 104169 - Adobe Acrobat and Reader Multiple Arbitrary Code Execution Vulnerabilities
SecurityTracker: 1040920

See also: 🔍

Entryinfo

Created: 05/16/2018 12:20 AM
Updated: 03/13/2023 10:25 AM
Changes: 05/16/2018 12:20 AM (77), 02/05/2020 11:36 AM (6), 03/13/2023 10:25 AM (5)
Complete: 🔍
Cache ID: 18:4CD:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!