Adobe Acrobat Reader up to 11.0.18/15.006.30244/15.020.20042 XFA Engine use after free

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.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 11.0.18/15.006.30244/15.020.20042 and classified as critical. Affected by this issue is some unknown functionality of the component XFA Engine. Such manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2017-2961. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 11.0.18/15.006.30244/15.020.20042 (Document Reader Software) and classified as critical. Affected by this issue is an unknown code of the component XFA Engine. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Adobe Acrobat Reader versions 15.020.20042 and earlier, 15.006.30244 and earlier, 11.0.18 and earlier have an exploitable use after free vulnerability in the XFA engine, related to validation functionality. Successful exploitation could lead to arbitrary code execution.

The bug was discovered 01/10/2017. The weakness was disclosed 01/05/2017 by Sebastian Apelt with Zero Day Initiative as APSB17-01 as confirmed security bulletin (Website). The advisory is available at helpx.adobe.com. This vulnerability is handled as CVE-2017-2961 since 12/02/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 96455 (Adobe Reader < 11.0.19 / 15.006.30279 / 15.023.20053 Multiple Vulnerabilities (APSB17-01) (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370277 (Adobe Reader and Acrobat Multiple Vulnerabilities (APSB17-01)).

Upgrading 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 (96455) and SecurityFocus (BID 95343†). The entries VDB-95140, VDB-95141, VDB-95142 and VDB-95143 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat Reader

Version

• 11.0.0
• 11.0.01
• 11.0.02
• 11.0.03
• 11.0.04
• 11.0.05
• 11.0.06
• 11.0.07
• 11.0.08
• 11.0.09
• 11.0.10
• 11.0.11
• 11.0.12
• 11.0.13
• 11.0.14
• 11.0.15
• 11.0.16
• 11.0.17
• 11.0.18
• 15 Base
• 15.006.30060
• 15.006.30094
• 15.006.30096
• 15.006.30097
• 15.006.30119
• 15.006.30121
• 15.006.30172
• 15.006.30173
• 15.006.30174
• 15.006.30198
• 15.006.30201
• 15.006.30243
• 15.006.30244
• 15.008.20082
• 15.009.20069
• 15.009.20071
• 15.009.20077
• 15.009.20079
• 15.010.20056
• 15.010.20059
• 15.010.20060
• 15.016.20039
• 15.016.20041
• 15.016.20045
• 15.017.20050
• 15.017.20053
• 15.020.20039
• 15.020.20042

License

• free

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 96455
Nessus Name: Adobe Reader < 11.0.19 / 15.006.30279 / 15.023.20053 Multiple Vulnerabilities (APSB17-01) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103337
OpenVAS Name: Adobe Acrobat Security Updates(apsb17-01)-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: 🔍

Timelineinfo

12/02/2016 🔍
01/05/2017 +34 days 🔍
01/05/2017 +0 days 🔍
01/10/2017 +5 days 🔍
01/10/2017 +0 days 🔍
01/10/2017 +0 days 🔍
01/11/2017 +1 days 🔍
01/12/2017 +1 days 🔍
09/01/2024 +2789 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB17-01
Researcher: Sebastian Apelt
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2961 (🔍)
GCVE (CVE): GCVE-0-2017-2961
GCVE (VulDB): GCVE-100-95162

OVAL: 🔍

SecurityFocus: 95343 - Adobe Acrobat and Reader APSB17-01 Use-After-Free Multiple Remote Code Execution Vulnerabilities
OSVDB: - CVE-2017-2961 - Adobe - Multiple Products - Use-After-Free Issue
SecurityTracker: 1037574

See also: 🔍

Entryinfo

Created: 01/11/2017 09:42
Updated: 09/01/2024 13:01
Changes: 01/11/2017 09:42 (81), 08/26/2020 09:30 (2), 10/28/2022 10:29 (3), 09/01/2024 13:01 (16)
Complete: 🔍
Cache ID: 216:311:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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