Adobe Acrobat Reader out-of-bounds write

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063. This affects an unknown function. This manipulation causes out-of-bounds write. This vulnerability is tracked as CVE-2018-12862. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Adobe Acrobat and Reader versions 2018.011.20063 and earlier, 2017.011.30102 and earlier, and 2015.006.30452 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution.

The bug was discovered 10/01/2018. The weakness was disclosed 10/01/2018 by Ke Liu with Zero Day Initiative as APSB18-30 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2018-12862 since 06/25/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/05/2024).

The vulnerability scanner Nessus provides a plugin with the ID 117877 (Adobe Reader <= 2015.006.30452 / 2017.011.30102 / 2018.011.20063 Multiple Vulnerabilities (APSB18-30)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371230 (Adobe Reader and Acrobat Multiple Security Vulnerabilities (APSB18-30)).

Upgrading to version 2015.006.30456, 2017.011.30105 or 2019.008.20071 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 (117877) and SecurityFocus (BID 105432†). The entries VDB-124957, VDB-124958, VDB-124959 and VDB-124960 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

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: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 117877
Nessus Name: Adobe Reader <= 2015.006.30452 / 2017.011.30102 / 2018.011.20063 Multiple Vulnerabilities (APSB18-30)
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 2015.006.30456/2017.011.30105/2019.008.20071

Timelineinfo

06/25/2018 🔍
10/01/2018 +98 days 🔍
10/01/2018 +0 days 🔍
10/01/2018 +0 days 🔍
10/01/2018 +0 days 🔍
10/02/2018 +1 days 🔍
10/12/2018 +10 days 🔍
10/13/2018 +1 days 🔍
08/05/2024 +2123 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB18-30
Researcher: Ke Liu
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-12862 (🔍)
GCVE (CVE): GCVE-0-2018-12862
GCVE (VulDB): GCVE-100-125287
SecurityFocus: 105432 - Adobe Acrobat and Reader APSB18-30 Multiple Arbitrary Code Execution Vulnerabilities
SecurityTracker: 1041809

See also: 🔍

Entryinfo

Created: 10/13/2018 08:17
Updated: 08/05/2024 22:47
Changes: 10/13/2018 08:17 (73), 04/02/2020 09:39 (6), 05/25/2023 10:26 (4), 08/05/2024 22:47 (16)
Complete: 🔍
Cache ID: 216::103