Out-of-bounds Read in Libfwsi Project
CVE-2019-17263
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
Vulnerability class: Buffer Overflow
EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Libfwsi_project Libfwsi
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-17263?
- CVE-2019-17263 is a low-severity vulnerability in Libfwsi Project, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2019-10-06.
- How severe is CVE-2019-17263?
- Low severity. CVSS v3 base score is 3.3 out of 10.