It was found that GnuTLS's implementation of HMAC-SHA-256 was vulnerable to Lucky Thirteen-style attack. A remote attacker could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 2 - Core | gnutls | 2018-12-06 20:25 | ALAS2-2018-1120 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
NVD | CVSSv3 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |