Adobe Acrobat Reader memory corruption

Summaryinfo

A vulnerability described as critical has been identified in Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040. This issue affects some unknown processing. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-12798. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Adobe Acrobat Reader up to 2015.006.30418/2017.011.30080/2018.011.20040 (Document Reader Software). Affected is an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Adobe Acrobat and Reader 2018.011.20040 and earlier, 2017.011.30080 and earlier, and 2015.006.30418 and earlier versions have a Heap Overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

The bug was discovered 07/10/2018. The weakness was shared 07/10/2018 as APSB18-21 as confirmed security bulletin (Website). The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2018-12798 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 03/02/2020).

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 vulnerability database at SecurityTracker (ID 1041250†). Further details are available at zdnet.com. The entries VDB-121210, VDB-121211, VDB-121212 and VDB-121213 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 2015.006.30418
• 2017.011.30080
• 2018.011.20040

License

• free

Website

• Vendor: https://www.adobe.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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