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.
総合評価: CVE-2018-10844 は中リスク(57.8/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 3.62%、88 パーセンタイル) 根拠: 直近 1 日で EPSS が +3.37% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.25% | 3.62% | +3.37% |
| 2 | 2026-05-14 | 0.19% | 0.25% | +0.06% |
| 3 | 2025-11-21 | — | 0.19% | — |
EPSS の全履歴 (全 19 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2018-10844: 1 source package rows (gnutls); 10 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 10. | https://security.alpinelinux.org/vuln/CVE-2018-10844 |
debian
|
not yet assigned | CVE-2018-10844 not yet assigned priority: Debian including 1 source packages (gnutls28), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-10844 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-10844 |
suse
|
medium | CVE-2018-10844 severity moderate: SUSE including 375 source package names (0.1.0:libgnutls30-3.6.2-6.3.1, 0.1.75:libgnutls30-3.6.2-6.3.1, …), 488 product×package rows across 102 product lines (Container caasp/v4/389-ds, Container caasp/v4/busybox, … (102 product lines)): Fixed 318, Known Affected 157, Known Not Affected 13. | https://www.suse.com/security/cve/CVE-2018-10844/ |
ubuntu
|
medium | CVE-2018-10844 medium priority: Ubuntu including 2 source packages (gnutls26, gnutls28), 38 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 18, not-affected 15, released 3, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-10844 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| gnu | gnutls | < 3.6.12 | cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 19.04 | cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* |
| fedoraproject | fedora | 31 | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
| fedoraproject | fedora | 32 | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.securityfocus.com/bid/105138 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2018:3050 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:3505 | Broken Link |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10844 | Issue Tracking Patch Third Party Advisory |
| https://eprint.iacr.org/2018/747 | Third Party Advisory |
| https://gitlab.com/gnutls/gnutls/merge_requests/657 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/10/msg00022.html | Mailing List Third Party Advisory |
| 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/ | |
| https://usn.ubuntu.com/3999-1/ | Third Party Advisory |