Memory leak in wolfSSL - #VU50736
Published: February 16, 2021
Vulnerability identifier: #VU50736
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: wolfSSL
Affected software:
wolfSSL
wolfSSL
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due memory leak with TLS 1.3 authenticated-only ciphers when TLS 1.3 early data is enabled. A section of the server hello could contains 16 bytes of uninitialized data when sent to the connected peer. A remote attacker can gain access to potentially sensitive information.
Remediation
Install updates from vendor's website.