Linux Distros 未修補弱點:CVE-2026-93599

high Nessus Plugin ID 348652

概要

Linux/Unix 主機上安裝的一個或多個套件存有弱點,廠商表示將不會修補。

說明

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件,且廠商未提供可用的修補程式。

- rustls-webpki (以及 0.104.0-alpha.7 之前的 0.104.0-alpha 版本) 在 0.103.12 src/der.rs 的 bit_string_flags() 中包含可連線的錯誤。輸入防護無法拒絕內容正好為 [0x00] (零填充位且無資料位元組) 的命名位元 BIT STRING,因此 raw_bits.len() - 1 在空白切片上下溢,後續索引操作發生錯誤 (偵錯中的溢位減法,版本中的索引越界)。當 CRL 包含具有這類 onlySomeReasons 值的 issuingDistributionPoint 延伸模組時,可透過公用 API BorrowedCertRevocationList::from_der() 連線到此條件。惡意利用需要應用程式透過將 RevocationOptions 傳遞給 verify_for_usage() 來明確選擇加入 CRL 撤銷檢查,並剖析從攻擊者可能影響的來源取得的 CRL 位元組;不使用 RevocationOptions 的預設 rustls 組態不受影響。特製的 CRL 會透過錯誤造成拒絕服務。在 和 0.104.0-alpha.7 中 0.103.13 修正。(CVE-2026-93599)

請注意,Nessus 的判定取決於廠商所報告的套件是否存在。

解決方案

目前尚未有已知的解決方案。

另請參閱

https://access.redhat.com/security/cve/cve-2026-93599

https://security-tracker.debian.org/tracker/CVE-2026-93599

https://ubuntu.com/security/CVE-2026-93599

Plugin 詳細資訊

嚴重性: High

ID: 348652

檔案名稱: unpatched_CVE_2026_93599.nasl

版本: 1.7

類型: Local

代理程式: unix

系列: Misc.

已發布: 2026/9/21

已更新: 2026/9/29

支援的感應器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

風險資訊

VPR

風險因素: Low

分數: 3

百分位數: 23.66

CVSS v2

風險因素: High

基本分數: 7.8

時間性分數: 6.6

媒介: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS 評分資料來源: CVE-2026-93599

CVSS v3

風險因素: High

基本分數: 7.5

時間性分數: 6.9

媒介: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

時間媒介: CVSS:3.0/E:U/RL:U/RC:C

CVSS v4

風險因素: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

弱點資訊

CPE: cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:rust-rustls-webpki, p-cpe:/a:centos:centos:clevis-pin-trustee, p-cpe:/a:centos:centos:coreos-installer-bootinfra, p-cpe:/a:centos:centos:coreos-installer-dracut, p-cpe:/a:centos:centos:coreos-installer, p-cpe:/a:centos:centos:firefox-x11, p-cpe:/a:centos:centos:firefox, p-cpe:/a:centos:centos:glx-utils, p-cpe:/a:centos:centos:goose, p-cpe:/a:centos:centos:mesa-demos, p-cpe:/a:centos:centos:mesa-dri-drivers, p-cpe:/a:centos:centos:mesa-filesystem, p-cpe:/a:centos:centos:mesa-libegl-devel, p-cpe:/a:centos:centos:mesa-libegl, p-cpe:/a:centos:centos:mesa-libgbm-devel, p-cpe:/a:centos:centos:mesa-libgbm, p-cpe:/a:centos:centos:mesa-libgl-devel, p-cpe:/a:centos:centos:mesa-libgl, p-cpe:/a:centos:centos:mesa-libglapi, p-cpe:/a:centos:centos:mesa-libglu-devel, p-cpe:/a:centos:centos:mesa-libglu, p-cpe:/a:centos:centos:mesa-libosmesa-devel, p-cpe:/a:centos:centos:mesa-libosmesa, p-cpe:/a:centos:centos:mesa-libxatracker, p-cpe:/a:centos:centos:mesa-vulkan-drivers, p-cpe:/a:centos:centos:rpm-ostree-devel, p-cpe:/a:centos:centos:rpm-ostree-libs, p-cpe:/a:centos:centos:rpm-ostree, p-cpe:/a:centos:centos:rust-sequoia-sq, p-cpe:/a:centos:centos:sequoia-sq, p-cpe:/a:centos:centos:thunderbird, p-cpe:/a:centos:centos:trustee-kbs, p-cpe:/a:debian:debian_linux:rust-rustls-webpki, p-cpe:/a:redhat:enterprise_linux:clevis-pin-trustee, p-cpe:/a:redhat:enterprise_linux:coreos-installer-bootinfra, p-cpe:/a:redhat:enterprise_linux:coreos-installer-dracut, p-cpe:/a:redhat:enterprise_linux:coreos-installer, p-cpe:/a:redhat:enterprise_linux:firefox-x11, p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:glx-utils, p-cpe:/a:redhat:enterprise_linux:goose, p-cpe:/a:redhat:enterprise_linux:mesa-demos, p-cpe:/a:redhat:enterprise_linux:mesa-dri-drivers, p-cpe:/a:redhat:enterprise_linux:mesa-filesystem, p-cpe:/a:redhat:enterprise_linux:mesa-libegl-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libegl, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libgbm, p-cpe:/a:redhat:enterprise_linux:mesa-libgl-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libgl, p-cpe:/a:redhat:enterprise_linux:mesa-libglapi, p-cpe:/a:redhat:enterprise_linux:mesa-libglu-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libglu, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa-devel, p-cpe:/a:redhat:enterprise_linux:mesa-libosmesa, p-cpe:/a:redhat:enterprise_linux:mesa-libxatracker, p-cpe:/a:redhat:enterprise_linux:mesa-vulkan-drivers, p-cpe:/a:redhat:enterprise_linux:rpm-ostree-devel, p-cpe:/a:redhat:enterprise_linux:rpm-ostree-libs, p-cpe:/a:redhat:enterprise_linux:rpm-ostree, p-cpe:/a:redhat:enterprise_linux:rust-sequoia-sq, p-cpe:/a:redhat:enterprise_linux:sequoia-sq, p-cpe:/a:redhat:enterprise_linux:thunderbird, p-cpe:/a:redhat:enterprise_linux:trustee-kbs

必要的 KB 項目: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

可輕鬆利用: No known exploits are available

弱點發布日期: 2026/9/18

參考資訊

CVE: CVE-2026-93599