Adobe Acrobat Reader up to 2018.009.20050 Image Conversion TIFF Data out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Adobe Acrobat Reader up to 2018.009.20050. This issue affects some unknown processing of the component Image Conversion. This manipulation as part of TIFF Data causes out-of-bounds write. This vulnerability is tracked as CVE-2018-4916. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 2018.009.20050 (Document Reader Software). Affected by this vulnerability is an unknown code of the component Image Conversion. The manipulation as part of a TIFF Data 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:

An issue was discovered in Adobe Acrobat Reader 2018.009.20050 and earlier versions, 2017.011.30070 and earlier versions, 2015.006.30394 and earlier versions. The vulnerability is caused by the computation that writes data past the end of the intended buffer; the computation is part of the image conversion module that handless TIFF data. An attacker can potentially leverage the vulnerability to corrupt sensitive data or execute arbitrary code.

The bug was discovered 02/13/2018. The weakness was disclosed 02/13/2018 by Aleksandar Nikolic with Zero Day Initiative as APSB18-02 as confirmed security bulletin (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2018-4916 since 01/03/2018. 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 02/10/2023).

The vulnerability scanner Nessus provides a plugin with the ID 106846 (Adobe Reader <= 2015.006.30394 / 2017.011.30070 / 2018.009.20050 Multiple Vulnerabilities (APSB18-02)), 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 370776 (Adobe Reader and Acrobat Multiple Security Vulnerabilities (APSB18-02)).

Upgrading to version 2015.006.30413, 2015.006.30416, 2017.011.30078 or 2018.011.20035 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 (106846) and SecurityFocus (BID 102994†). The entries VDB-113849, VDB-113850, VDB-113851 and VDB-113852 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 106846
Nessus Name: Adobe Reader <= 2015.006.30394 / 2017.011.30070 / 2018.009.20050 Multiple Vulnerabilities (APSB18-02)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63528
OpenVAS Name: Adobe Acrobat 2017 Multiple Vulnerabilities-apsb18-02 (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 2015.006.30413/2015.006.30416/2017.011.30078 /2018.011.20035

Timelineinfo

01/03/2018 🔍
02/13/2018 +41 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/13/2018 +0 days 🔍
02/15/2018 +2 days 🔍
02/27/2018 +12 days 🔍
02/27/2018 +0 days 🔍
02/10/2023 +1809 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB18-02
Researcher: Aleksandar Nikolic
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4916 (🔍)
GCVE (CVE): GCVE-0-2018-4916
GCVE (VulDB): GCVE-100-113887

OVAL: 🔍

SecurityFocus: 102994 - Adobe Acrobat and Reader APSB18-02 Multiple Remote Code Execution Vulnerabilities
SecurityTracker: 1040364

See also: 🔍

Entryinfo

Created: 02/27/2018 11:09
Updated: 02/10/2023 15:48
Changes: 02/27/2018 11:09 (79), 01/09/2020 08:28 (6), 02/10/2023 15:48 (4)
Complete: 🔍
Cache ID: 216::103

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