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-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040. Impacted is an unknown function. The manipulation results in use after free. This vulnerability is identified as CVE-2018-12796. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040 (Document Reader Software). It has been classified as critical. Affected is an unknown part. 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 07/10/2018. The weakness was released 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 traded as CVE-2018-12796 since 06/25/2018. 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. 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 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 SecurityFocus (BID 104701†) and SecurityTracker (ID 1041250†). Further details are available at zdnet.com. Entries connected to this vulnerability are available at VDB-121210, VDB-121211, VDB-121212 and VDB-121213. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

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

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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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 🔍
07/20/2018 +8 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-2018-12796 (🔍)
GCVE (CVE): GCVE-0-2018-12796
GCVE (VulDB): GCVE-100-121236

OVAL: 🔍

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

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 07/11/2018 04:25 PM
Updated: 08/09/2024 11:15 PM
Changes: 07/11/2018 04:25 PM (71), 03/02/2020 03:44 PM (7), 04/06/2023 02:20 PM (4), 08/09/2024 11:15 PM (16)
Complete: 🔍
Cache ID: 244:2FF:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!