Vulnerability CVE-2018-10845
Published: 2018-08-22

Description:
It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.

Type:

CWE-327

 (Use of a Broken or Risky Cryptographic Algorithm)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux workstation 
GNU -> Gnutls 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/105138
https://access.redhat.com/errata/RHSA-2018:3050
https://access.redhat.com/errata/RHSA-2018:3505
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845
https://eprint.iacr.org/2018/747
https://gitlab.com/gnutls/gnutls/merge_requests/657
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
https://usn.ubuntu.com/3999-1/
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