Firefox UAF in Debugger Vector (Android & Desktop)
CVE-2023-29543 Published on June 2, 2023

An attacker could have caused memory corruption and a potentially exploitable use-after-free of a pointer in a global object's debugger vector. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

NVD

Vulnerability Analysis

CVE-2023-29543 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

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

Weakness Type

What is an Output Sanitization Vulnerability?

The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

CVE-2023-29543 has been classified to as an Output Sanitization vulnerability or weakness.


Products Associated with CVE-2023-29543

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Affected Versions

Mozilla Firefox for Android: Mozilla Firefox: Mozilla Focus for Android:

Exploit Probability

EPSS
0.27%
Percentile
49.91%

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.