Apport Settings Parser Vulnerable to Billion Laughs Attack
CVE-2022-28652 Published on June 4, 2024
~/.config/apport/settings parsing is vulnerable to "billion laughs" attack
Vulnerability Analysis
CVE-2022-28652 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a XEE Vulnerability?
The software uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities. If the DTD contains a large number of nested or recursive entities, this can lead to explosive growth of data when parsed, causing a denial of service.
CVE-2022-28652 has been classified to as a XEE vulnerability or weakness.
Products Associated with CVE-2022-28652
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2022-28652 are published in these products:
Affected Versions
Canonical Ltd. Apport:- Before 2.21.0 is affected.
Exploit Probability
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.