Adobe Acrobat 8.1.1/8.1.2 Type 1 Fonts input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Adobe Acrobat 8.1.1/8.1.2. The impacted element is an unknown function of the component Type 1 Fonts. Performing a manipulation results in input validation. This vulnerability is known as CVE-2008-4812. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Adobe Acrobat 8.1.1/8.1.2 (Document Reader Software). This affects some unknown functionality of the component Type 1 Fonts. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Array index error in Adobe Reader and Acrobat, and the Explorer extension (aka AcroRd32Info), 8.1.2, 8.1.1, and earlier allows remote attackers to execute arbitrary code via a crafted PDF document that triggers an out-of-bounds write, related to parsing of Type 1 fonts.

The weakness was published 11/05/2008 by Thomas Garnier with iDEFENSE Labs (Website). The advisory is shared at us-cert.gov. This vulnerability is uniquely identified as CVE-2008-4812 since 10/30/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 40802 (Adobe Acrobat < 8.1.3 Multiple Vulnerabilities), 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 116027 (Adobe Acrobat/Reader "util.printf()" Buffer Overflow Vulnerability (APSB08-19)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46332), Tenable (40802), SecurityFocus (BID 32100†), Secunia (SA35163†) and SecurityTracker (ID 1021140†). Similar entries are available at VDB-3863, VDB-42639, VDB-45323 and VDB-44870. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 40802
Nessus Name: Adobe Acrobat < 8.1.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800051
OpenVAS Name: Adobe Reader/Acrobat Multiple Vulnerabilities - Nov08 (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/30/2008 🔍
11/03/2008 +4 days 🔍
11/03/2008 +0 days 🔍
11/03/2008 +0 days 🔍
11/05/2008 +1 days 🔍
11/05/2008 +0 days 🔍
11/08/2008 +3 days 🔍
05/19/2009 +191 days 🔍
08/28/2009 +101 days 🔍
03/17/2015 +2027 days 🔍
10/15/2018 +1308 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: us-cert.gov
Researcher: Thomas Garnier
Organization: iDEFENSE Labs
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4812 (🔍)
GCVE (CVE): GCVE-0-2008-4812
GCVE (VulDB): GCVE-100-44865

OVAL: 🔍

X-Force: 46332
SecurityFocus: 32100 - Adobe Acrobat and Reader 8.1.2 Multiple Security Vulnerabilities
Secunia: 35163 - Nortel Media Processing Server Adobe Reader Multiple Vulnerabilities, Moderately Critical
SecurityTracker: 1021140
Vulnerability Center: 19940 - Adobe Reader and Acrobat <8.1.3 Array Index Error Allows Remote Code Execution via Crafted PDF Files, Medium
Vupen: ADV-2008-3001

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/15/2018 06:45
Changes: 03/17/2015 16:11 (71), 10/15/2018 06:45 (13)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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