Improper Input Validation Affecting OpenPrinting/libcupsfilters package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-OPENPRINTINGLIBCUPSFILTERS-8102332
- published27 Sept 2024
- disclosed26 Sept 2024
- creditSimone Margaritelli
Introduced: 26 Sep 2024
CVE-2024-47076 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Improper Input Validation via the cfGetPrinterAttributes5 function due to improper sanitization of IPP attributes returned from an IPP server. An attacker can manipulate the data processed by this function by injecting malicious IPP attributes, which are not properly sanitized before use. This can lead to the generation of incorrect or harmful outputs within the CUPS system.
Note: This vulnerability is being investigated and the advisory is being updated as new information is discovered.
PoC
This bug is part of an exploit chain leading to RCE described here.