Adobe Acrobat Reader integer overflow

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.
5.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063 and classified as critical. This affects an unknown function. This manipulation causes integer overflow. This vulnerability appears as CVE-2018-12842. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Adobe Acrobat Reader up to 2015.006.30452/2017.011.30102/2018.011.20063 (Document Reader Software) and classified as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. 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 integer overflow vulnerability. Successful exploitation could lead to information disclosure.

The bug was discovered 10/01/2018. The weakness was presented 10/01/2018 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-2018-12842 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 08/08/2024).

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), SecurityFocus (BID 105438†) and SecurityTracker (ID 1041809†). See VDB-124957, VDB-124958, VDB-124959 and VDB-124960 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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 +97 days 🔍
10/01/2018 +0 days 🔍
10/01/2018 +0 days 🔍
10/01/2018 +0 days 🔍
10/02/2018 +1 days 🔍
10/05/2018 +2 days 🔍
10/08/2018 +3 days 🔍
10/12/2018 +4 days 🔍
08/08/2024 +2127 days 🔍

Sourcesinfo

Vendor: adobe.com

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

CVE: CVE-2018-12842 (🔍)
GCVE (CVE): GCVE-0-2018-12842
GCVE (VulDB): GCVE-100-125023
SecurityFocus: 105438 - Adobe Acrobat and Reader Multiple Integer Overflow Vulnerabilities
SecurityTracker: 1041809

See also: 🔍

Entryinfo

Created: 10/08/2018 07:34
Updated: 08/08/2024 21:27
Changes: 10/08/2018 07:34 (76), 03/31/2020 12:35 (6), 08/08/2024 21:27 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!