Adobe Acrobat Reader up to 9.5/10.1.2 memory corruption

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.
5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 9.5/10.1.2 and classified as problematic. This affects an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2011-4373. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Adobe Acrobat Reader up to 9.5/10.1.2 (Document Reader Software) and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Adobe Reader and Acrobat before 9.5, and 10.x before 10.1.2, on Windows and Mac OS X allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-4370 and CVE-2011-4372.

The weakness was published 01/10/2012 by Alin Rad Pop with TippingPoint's Zero Day Initiative (Website). The advisory is shared for download at adobe.com. The public release has been coordinated with the vendor. This vulnerability was named CVE-2011-4373 since 11/04/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a private exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 57483 (Adobe Acrobat < 10.1.2 / 9.5 Multiple Vulnerabilities (APSB12-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119838 (Adobe Acrobat and Reader Multiple Memory Corruption Vulnerabilities (APSB12-01)).

Upgrading to version 9.5 or 10.1.2 eliminates this vulnerability. The upgrade is hosted for download at adobe.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12017.

The vulnerability is also documented in the databases at X-Force (72257), Tenable (57483), SecurityFocus (BID 51350†), OSVDB (78248†) and Secunia (SA45852†). Similar entries are available at VDB-4538, VDB-4539 and VDB-4537. Once again VulDB remains the best 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: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 57483
Nessus Name: Adobe Acrobat < 10.1.2 / 9.5 Multiple Vulnerabilities (APSB12-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802559
OpenVAS Name: Adobe Reader/Acrobat Multiple Memory Corruption Vulnerabilities - MAC OS X
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 9.5/10.1.2
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/04/2011 🔍
01/10/2012 +67 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/10/2012 +0 days 🔍
01/11/2012 +1 days 🔍
01/11/2012 +0 days 🔍
01/12/2012 +1 days 🔍
01/21/2012 +8 days 🔍
03/20/2021 +3346 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: adobe.com
Researcher: Alin Rad Pop
Organization: TippingPoint's Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2011-4373 (🔍)
GCVE (CVE): GCVE-0-2011-4373
GCVE (VulDB): GCVE-100-4540

OVAL: 🔍

X-Force: 72257
SecurityFocus: 51350 - Adobe Acrobat and Reader BMP Resources Signedness Memory Corruption Vulnerability
Secunia: 45852 - Adobe Reader/Acrobat Multiple Vulnerabilities, Highly Critical
OSVDB: 78248 - Adobe Reader/Acrobat 2d.x3d BMP File Handling Memory Corruption
SecurityTracker: 1026496 - Adobe Acrobat/Reader Multiple Bugs Let Remote Users Execute Arbitrary Code
Vulnerability Center: 34200 - [APSB12-01] Adobe Reader and Acrobat on Windows and Mac OS X Remote Memory Corruption (CVE-2011-4373), Medium

See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 03/20/2021 13:37
Changes: 01/21/2012 01:00 (52), 04/07/2017 10:45 (31), 03/20/2021 13:32 (7), 03/20/2021 13:37 (1)
Complete: 🔍
Cache ID: 216:876:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!