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CVE
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CVE-2018-10844Date: (C)2018-08-24   (M)2023-12-22


It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.9CVSS Score : 4.3
Exploit Score: 2.2Exploit Score: 8.6
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
BID-105138
RHSA-2018:3050
RHSA-2018:3505
USN-3999-1
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844
https://eprint.iacr.org/2018/747
https://gitlab.com/gnutls/gnutls/merge_requests/657
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WDYY3R4F5CUTFAMXH2C5NKYFVDEJLTT7/

CWE    1
CWE-385
OVAL    14
oval:org.secpod.oval:def:89002486
oval:org.secpod.oval:def:89002492
oval:org.secpod.oval:def:89002119
oval:org.secpod.oval:def:55302
...

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