Vulnerability Description
In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libfwsi Project | Libfwsi | < 20191006 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/154774/libyal-libfwsi-Buffer-Overread.htmlExploitThird Party AdvisoryVDB Entry
- https://github.com/libyal/libfwsi/compare/20181227...20191006PatchThird Party Advisory
- https://github.com/libyal/libfwsi/issues/13ExploitThird Party Advisory
- http://packetstormsecurity.com/files/154774/libyal-libfwsi-Buffer-Overread.htmlExploitThird Party AdvisoryVDB Entry
- https://github.com/libyal/libfwsi/compare/20181227...20191006PatchThird Party Advisory
- https://github.com/libyal/libfwsi/issues/13ExploitThird Party Advisory
FAQ
What is CVE-2019-17263?
CVE-2019-17263 is a vulnerability with a CVSS score of 3.3 (LOW). In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers ...
How severe is CVE-2019-17263?
CVE-2019-17263 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17263?
Check the references section above for vendor advisories and patch information. Affected products include: Libfwsi Project Libfwsi.