redhat enterprise-linux-desktop CVE-2015-5123 vulnerability in Red Hat and Other Products
Published on July 14, 2015

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Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

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Known Exploited Vulnerability

This Adobe Flash Player Use-After-Free Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service.

The following remediation steps are recommended / required by May 4, 2022: The impacted product is end-of-life and should be disconnected if still in use.

Vulnerability Analysis

CVE-2015-5123 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2015-5123 has been classified to as a Dangling pointer vulnerability or weakness.


Products Associated with CVE-2015-5123

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Exploit Probability

EPSS
47.56%
Percentile
97.63%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.