VDB-50238 · CVE-2009-3431 · BID 35148

Adobe Acrobat up to 9.1.3 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Adobe Acrobat (Document Reader Software). Affected is some unknown processing. 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 availability. CVE summarizes:

Stack consumption vulnerability in Adobe Reader and Acrobat 9.1.3, 9.1.2, 9.1.1, and earlier 9.x versions; 8.1.6 and earlier 8.x versions; and possibly 7.1.4 and earlier 7.x versions allows remote attackers to cause a denial of service (application crash) via a PDF file with a large number of [ (open square bracket) characters in the argument to the alert method. NOTE: some of these details are obtained from third party information.

The weakness was presented 09/25/2009 by Patrick (Website). The advisory is available at us-cert.gov. This vulnerability is traded as CVE-2009-3431. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 42119 (Adobe Acrobat < 9.2 / 8.1.7 / 7.1.4 Multiple Vulnerabilities (APSB09-15)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (42119).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 42119
Nessus Name: Adobe Acrobat < 9.2 / 8.1.7 / 7.1.4 Multiple Vulnerabilities (APSB09-15)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801104
OpenVAS Name: Adobe Acrobat PDF File Denial Of Service Vulnerability
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
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0-Day Time: 🔍


05/29/2009 🔍
05/29/2009 +0 days 🔍
09/25/2009 +118 days 🔍
09/25/2009 +0 days 🔍
09/25/2009 +0 days 🔍
10/20/2009 +25 days 🔍
03/18/2015 +1975 days 🔍
08/23/2021 +2350 days 🔍


Vendor: adobe.com

Advisory: us-cert.gov
Researcher: Patrick
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3431 (🔍)

Vulnerability Center: 23806 - [APSB09-15] Adobe Reader and Acrobat 7-7.1.3, 8- 8.1.6, and 9-9.1.3 Stack Consumption DoS Vulnerability, Medium
SecurityFocus: 35148 - Adobe Acrobat Stack Exhaustion Denial of Service Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013


Created: 03/18/2015 03:15 PM
Updated: 08/23/2021 08:47 AM
Changes: 03/18/2015 03:15 PM (57), 02/16/2017 09:51 AM (12), 08/23/2021 08:44 AM (4), 08/23/2021 08:47 AM (1)
Complete: 🔍
Cache ID: 100:E1E:40


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