Use of a broken or risky cryptographic algorithm in GnuTLS - CVE-2018-10844
Published: November 5, 2018
Vulnerability identifier: #VU15707
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: CVE-2018-10844
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GnuTLS
Affected software:
GnuTLS
GnuTLS
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to usage of an insecure implementation of HMAC-SHA-256 algorithm vulnerable to a Lucky thirteen style attack. A remote attacker with ability to intercept traffic can recover encrypted data.
How to mitigate CVE-2018-10844
Install updates from vendor's website.