Player crash via V4L2 preinit double free
Published Jul 14, 2022 · Updated Aug 3, 2024
Use-after-free in MPlayer 1.5 allows attackers to crash the player when a user opens a crafted file through the V4L2 video output. The CVE record attributes a second free in preinit to the device=strdup assignment not running on every call. Triggering requires a crafted file and user interaction, but third parties report that the behavior is invalid and not reproducible.
Summary
What happened
Use-after-free in MPlayer 1.5 allows attackers to crash the player when a user opens a crafted file through the V4L2 video output. The CVE record attributes a second free in preinit to the device=strdup assignment not running on every call. Triggering requires a crafted file and user interaction, but third parties report that the behavior is invalid and not reproducible.
The record
- CVE
- CVE-2022-32317
- Published
- Jul 14, 2022
- Updated
- Aug 3, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-416, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 14, 2022CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- mplayer-cve-poc proof-of-concept archiveproof of concept · unverified
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Technologies
Your stack
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Your stack
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