Matio
CVE-2019-20020
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17.
AnalysisAI
A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. A stack-based buffer over-read was discovered in ReadNextStructField in mat5.c in matio 1.5.17. Affected products include: Matio Project Matio.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated critical severity (CVSS 9.1), th
Mat_VarReadNextInfo4 in mat4.c in MATIO 1.5.17 omits a certain '\0' character, leading to a heap-based buffer over-read
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated high severity (CVSS 7.5), this v
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated high severity (CVSS 7.5), this v
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated high severity (CVSS 7.5), this v
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated high severity (CVSS 7.5), this v
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. Rated high severity (CVSS 7.5), this v
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today