CVE-2019-6439 : examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has

examples/benchmark/tls_bench.c in a benchmark tool in wolfSSL through 3.15.7 has a heap-based buffer overflow.

Published 2019-01-16 03:29:00

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2019-6439

Wolfssl » Wolfssl
Versions up to, including, (<=) 3.15.7
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.36%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 72 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

http://www.securityfocus.com/bid/106640

wolfSSL CVE-2019-6439 Heap Buffer Overflow Vulnerability
VDB Entry;Third Party Advisory
https://github.com/wolfSSL/wolfssl/issues/2032

heap-buffer-overflow [tls_bench+0x50ff15] · Issue #2032 · wolfSSL/wolfssl · GitHub
Patch;Third Party Advisory

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