CVE-2018-10845
MEDIUM
5.9
CVSS Score
Published: August 22, 2018 at 01:00 PM UTC
Updated: June 17, 2026 at 01:34 AM UTC
7 products affected across 5 vendorsDebian LinuxFedoraUbuntu Linux
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Severity
MEDIUM5.9
Exploit prediction
EPSS 4%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%Debian Linux· Debiandrupal
95%v < 3.6.12
Affected range stops below 3.6.12, so it looks safe — our inference, not a vendor statement
95%
Enterprise Linux Server· Red Hatrubygems
95%95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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://gitlab.com/gnutls/gnutls/merge_requests/657
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/
References (10)
VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/105138Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:3050Vendor Advisoryx_refsource_REDHATBroken Link
Source: [email protected]
https://access.redhat.com/errata/RHSA-2018:3505x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10845x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://gitlab.com/gnutls/gnutls/merge_requests/657Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/10/msg00022.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMOWPKMTZAIMK5F32TUMO34XCABUCFJ/CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-385CWE-327
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