Adobe Acrobat Reader 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.
7.2$0-$5k0.00

A vulnerability was found in Adobe Acrobat Reader up to 11.0.22/2015.006.30355/2017.011.30066/2017.012.20098 (Document Reader Software). It has been rated as critical. Affected by this issue is some unknown processing. 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.

The bug was discovered 11/14/2017. The weakness was disclosed 11/14/2017 with Palo Alto Networks as APSB17-36 as confirmed security bulletin (Website). The advisory is available at helpx.adobe.com. This vulnerability is handled as CVE-2017-16390 since 11/01/2017. 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 structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/24/2021).

The vulnerability scanner Nessus provides a plugin with the ID 104626 (Adobe Acrobat < 11.0.23 / 2015.006.30392 / 2017.011.30068 / 2018.009.20044 Multiple Vulnerabilities (APSB17-36)), 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 370650 (Adobe Reader and Acrobat Multiple Vulnerabilities (APSB17-36)).

Upgrading to version 11.0.23, 2015.006.30392, 2017.011.30068 or 2018.009.20044 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 Tenable (104626). The entries 109677, 109678, 109679 and 109680 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 104626
Nessus Name: Adobe Acrobat < 11.0.23 / 2015.006.30392 / 2017.011.30068 / 2018.009.20044 Multiple Vulnerabilities (APSB17-36)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 870219
OpenVAS Name: Adobe Acrobat Security Updates(apsb17-36)-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 11.0.23/2015.006.30392/2017.011.30068/2018.009.20044

Timelineinfo

11/01/2017 🔍
11/14/2017 +13 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/14/2017 +0 days 🔍
11/16/2017 +2 days 🔍
11/18/2017 +2 days 🔍
12/09/2017 +21 days 🔍
01/24/2021 +1142 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: APSB17-36
Researcher: Toan Pham @__suto, Gal De Leon
Organization: Palo Alto Networks
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-16390 (🔍)
OVAL: 🔍

SecurityTracker: 1039791
SecurityFocus: 101818 - Adobe Acrobat and Reader Multiple Remote Code Execution Vulnerabilities

See also: 🔍

Entryinfo

Created: 11/18/2017 14:26
Updated: 01/24/2021 13:44
Changes: 11/18/2017 14:26 (76), 12/08/2019 15:38 (9), 01/24/2021 13:39 (2), 01/24/2021 13:44 (1)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!