VDB-68823 · CVE-2015-0311 · apsa15-01

Adobe Flash Player up to 16.0.0.257 UncompressViaZlibVariant 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.
8.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Adobe Flash Player up to 16.0.0.257. The impacted element is the function UncompressViaZlibVariant. Performing a manipulation results in use after free. This vulnerability was named CVE-2015-0311. In addition, an exploit is available. A worm is in circulation, automatically exploiting this vulnerability. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Adobe Flash Player up to 16.0.0.257 (Multimedia Player Software). This affects the function UncompressViaZlibVariant. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/22/2015 by Jack Tang as apsa15-01 as confirmed advisory (Website). It is possible to read the advisory at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2015-0311 since 12/01/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Metasploit and been published 2 months after the advisory. The exploit is shared for download at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. A worm is spreading, which is automatically exploiting this vulnerability. The vulnerability scanner Nessus provides a plugin with the ID 80999 (Flash Player For Mac <= 16.0.0.287 Unspecified Code Execution (APSA15-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123181 (Adobe Flash Player Remote Code Execution Vulnerability (APSB15-03)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/13/2022 with a due date of 05/04/2022:

The impacted product is end-of-life and should be disconnected if still in use.

Upgrading eliminates this vulnerability. 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 19288.

The vulnerability is also documented in the databases at X-Force (100267), Exploit-DB (36360), Zero-Day.cz (173), Tenable (80999) and SecurityFocus (BID 72283†). See VDB-68856 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Multimedia Player Software

Vendor

Adobe

Name

Flash Player

Version

16.0.0.257

License

free

Support

end of life

Website

Vendor: https://www.adobe.com/

CPE 2.3info

CPE 2.2info

Video

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: Metasploit
Wormified: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 80999
Nessus Name: Flash Player For Mac <= 16.0.0.287 Unspecified Code Execution (APSA15-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 900923
OpenVAS Name: SuSE Update for flash-player SUSE-SU-2015:0163-1 (flash-player)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: adobe_flash_uncompress_zlib_uaf.rb
MetaSploit Name: Adobe Flash Player ByteArray UncompressViaZlibVariant Use After Free
MetaSploit File: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/01/2014 🔍
01/21/2015 +51 days 🔍
01/22/2015 +1 days 🔍
01/22/2015 +0 days 🔍
01/22/2015 +0 days 🔍
01/22/2015 +0 days 🔍
01/22/2015 +0 days 🔍
01/23/2015 +1 days 🔍
01/25/2015 +2 days 🔍
01/26/2015 +1 days 🔍
01/26/2015 +0 days 🔍
03/12/2015 +45 days 🔍
03/12/2015 +0 days 🔍
02/04/2025 +3617 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsa15-01
Researcher: Jack Tang
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0311 (🔍)
GCVE (CVE): GCVE-0-2015-0311
GCVE (VulDB): GCVE-100-68823

OVAL: 🔍

X-Force: 100267 - Adobe Flash player code execution, High Risk
SecurityFocus: 72283 - Adobe Flash Player CVE-2015-0311 Use After Free Memory Corruption Vulnerability
Secunia: 62432 - Adobe Flash Player Two Code Execution Vulnerabilities, Extremely Critical
SecurityTracker: 1031597
Vulnerability Center: 48219 - [APSA15-01, APSB15-03] Adobe Flash Player Remote Code Execution Vulnerability - CVE-2015-0311, Critical

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

Entryinfo

Created: 01/26/2015 08:18
Updated: 02/04/2025 23:48
Changes: 01/26/2015 08:18 (90), 01/14/2018 10:33 (17), 03/05/2022 22:01 (3), 03/05/2022 22:11 (1), 04/25/2024 15:50 (23), 07/03/2024 00:47 (12), 07/10/2024 06:15 (2), 09/09/2024 22:30 (1), 02/04/2025 23:48 (11)
Complete: 🔍
Cache ID: 216:591:103