CVE-2022-30333 in Canonical and Debian Products
Published on May 9, 2022
Known Exploited Vulnerability
This RARLAB UnRAR Directory Traversal Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. RARLAB UnRAR on Linux and UNIX contains a directory traversal vulnerability, allowing an attacker to write to files during an extract (unpack) operation.
The following remediation steps are recommended / required by August 30, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-30333 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Types
What is an insecure temporary file Vulnerability?
The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
CVE-2022-30333 has been classified to as an insecure temporary file vulnerability or weakness.
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2022-30333 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2022-30333
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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.