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CVE-2018-10844
It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use…
Medium5.9EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.6% · top 10% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
References (10)
- https://eprint.iacr.org/2018/747 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.com/gnutls/gnutls/merge_requests/657 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3505 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 105138 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:3050 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20181030 [SECURITY] [DLA 1560-1] gnutls28 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3999-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2020-f90fb78f70 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-d14280a6e8 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-10844)Record last updated .