RHEL 8:python27:2.7 (RHSA-2023: 5992)

medium Nessus Plugin ID 183995

概要

遠端 Red Hat 主機缺少 python27: 2.7 的安全性更新。

說明

遠端 Redhat Enterprise Linux 8 主機上安裝的套件受到 RHSA-2023: 5992 公告中提及的弱點影響。

- 在 Python 3.8.18 之前的版本,3.9.18 之前的 3.9.x 版、3.10.13 之前的 3.10.x 版、3.11.5 之前的 3.11.x 版中發現一個問題。該弱點主要影響使用 TLS 用戶端驗證的伺服器 (例如 HTTP 伺服器)。如果建立了 TLS 伺服器端通訊端,將資料接收到通訊端緩衝區,然後快速關閉,則有一個短暫的視窗,SSLSocket 執行個體會將通訊端偵測為「未連線」,且不會發起交握,但攻擊者仍可從通訊端緩衝區讀取緩衝的資料。如果伺服器端 TLS 對等端預期收到用戶端憑證驗證,則此資料將不會經過驗證,且無法與有效的 TLS 資料流資料區別開來。資料大小限制為緩衝區可容納的數量。(TLS 連線無法直接用於資料洩漏,因為有弱點的程式碼路徑要求在 SSLSocket 初始化時關閉連線。) (CVE-2023-40217)

請注意,Nessus 並未測試此問題,而是僅依據應用程式自我報告的版本號碼作出判斷。

解決方案

依據 RHSA-2023: 5992 中的指引更新 RHEL python27:2.7 套件。

另請參閱

http://www.nessus.org/u?0a670b1c

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2235789

https://access.redhat.com/errata/RHSA-2023:5992

Plugin 詳細資訊

嚴重性: Medium

ID: 183995

檔案名稱: redhat-RHSA-2023-5992.nasl

版本: 1.2

類型: local

代理程式: unix

已發布: 2023/10/28

已更新: 2024/4/28

支援的感應器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

風險資訊

VPR

風險因素: Low

分數: 1.4

CVSS v2

風險因素: Medium

基本分數: 5

時間分數: 3.7

媒介: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS 評分資料來源: CVE-2023-40217

CVSS v3

風險因素: Medium

基本分數: 5.3

時間分數: 4.6

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

時間媒介: CVSS:3.0/E:U/RL:O/RC:C

弱點資訊

CPE: cpe:/o:redhat:rhel_aus:8.4, p-cpe:/a:redhat:enterprise_linux:python-idna, p-cpe:/a:redhat:enterprise_linux:python-ipaddress, p-cpe:/a:redhat:enterprise_linux:python-jinja2, p-cpe:/a:redhat:enterprise_linux:python-lxml, p-cpe:/a:redhat:enterprise_linux:python-markupsafe, p-cpe:/a:redhat:enterprise_linux:python-mock, p-cpe:/a:redhat:enterprise_linux:python-nose, p-cpe:/a:redhat:enterprise_linux:python-nose-docs, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:cython, p-cpe:/a:redhat:enterprise_linux:pyyaml, p-cpe:/a:redhat:enterprise_linux:babel, p-cpe:/a:redhat:enterprise_linux:numpy, p-cpe:/a:redhat:enterprise_linux:pytest, p-cpe:/a:redhat:enterprise_linux:python-pymysql, p-cpe:/a:redhat:enterprise_linux:python-attrs, p-cpe:/a:redhat:enterprise_linux:python-backports, p-cpe:/a:redhat:enterprise_linux:python-backports-ssl_match_hostname, p-cpe:/a:redhat:enterprise_linux:python-chardet, p-cpe:/a:redhat:enterprise_linux:python-coverage, p-cpe:/a:redhat:enterprise_linux:python-dns, p-cpe:/a:redhat:enterprise_linux:python-docs, p-cpe:/a:redhat:enterprise_linux:python-docutils, p-cpe:/a:redhat:enterprise_linux:python-funcsigs, p-cpe:/a:redhat:enterprise_linux:python-pluggy, p-cpe:/a:redhat:enterprise_linux:python-psycopg2, p-cpe:/a:redhat:enterprise_linux:python-psycopg2-doc, p-cpe:/a:redhat:enterprise_linux:python-py, p-cpe:/a:redhat:enterprise_linux:python-pygments, p-cpe:/a:redhat:enterprise_linux:python-pymongo, p-cpe:/a:redhat:enterprise_linux:python-pysocks, p-cpe:/a:redhat:enterprise_linux:python-pytest-mock, p-cpe:/a:redhat:enterprise_linux:python-requests, p-cpe:/a:redhat:enterprise_linux:python-setuptools_scm, p-cpe:/a:redhat:enterprise_linux:python-sqlalchemy, p-cpe:/a:redhat:enterprise_linux:python-sqlalchemy-doc, p-cpe:/a:redhat:enterprise_linux:python-urllib3, p-cpe:/a:redhat:enterprise_linux:python-virtualenv, p-cpe:/a:redhat:enterprise_linux:python-wheel, p-cpe:/a:redhat:enterprise_linux:python2, p-cpe:/a:redhat:enterprise_linux:python2-cython, p-cpe:/a:redhat:enterprise_linux:python2-pymysql, p-cpe:/a:redhat:enterprise_linux:python2-attrs, p-cpe:/a:redhat:enterprise_linux:python2-babel, p-cpe:/a:redhat:enterprise_linux:python2-backports, p-cpe:/a:redhat:enterprise_linux:python2-backports-ssl_match_hostname, p-cpe:/a:redhat:enterprise_linux:python2-bson, p-cpe:/a:redhat:enterprise_linux:python2-chardet, p-cpe:/a:redhat:enterprise_linux:python2-coverage, p-cpe:/a:redhat:enterprise_linux:python2-debug, p-cpe:/a:redhat:enterprise_linux:python2-devel, p-cpe:/a:redhat:enterprise_linux:python2-dns, p-cpe:/a:redhat:enterprise_linux:python2-docs, p-cpe:/a:redhat:enterprise_linux:python2-docs-info, p-cpe:/a:redhat:enterprise_linux:python2-docutils, p-cpe:/a:redhat:enterprise_linux:python2-funcsigs, p-cpe:/a:redhat:enterprise_linux:python2-idna, p-cpe:/a:redhat:enterprise_linux:python2-ipaddress, p-cpe:/a:redhat:enterprise_linux:python2-jinja2, p-cpe:/a:redhat:enterprise_linux:python2-libs, p-cpe:/a:redhat:enterprise_linux:python2-lxml, p-cpe:/a:redhat:enterprise_linux:python2-markupsafe, p-cpe:/a:redhat:enterprise_linux:python2-mock, p-cpe:/a:redhat:enterprise_linux:python2-nose, p-cpe:/a:redhat:enterprise_linux:python2-numpy, p-cpe:/a:redhat:enterprise_linux:python2-numpy-doc, p-cpe:/a:redhat:enterprise_linux:python2-numpy-f2py, p-cpe:/a:redhat:enterprise_linux:python2-pip, p-cpe:/a:redhat:enterprise_linux:python2-pip-wheel, p-cpe:/a:redhat:enterprise_linux:python2-pluggy, p-cpe:/a:redhat:enterprise_linux:python2-psycopg2, p-cpe:/a:redhat:enterprise_linux:python2-psycopg2-debug, p-cpe:/a:redhat:enterprise_linux:python2-psycopg2-tests, p-cpe:/a:redhat:enterprise_linux:python2-py, p-cpe:/a:redhat:enterprise_linux:python2-pygments, p-cpe:/a:redhat:enterprise_linux:python2-pymongo, p-cpe:/a:redhat:enterprise_linux:python2-pymongo-gridfs, p-cpe:/a:redhat:enterprise_linux:python2-pysocks, p-cpe:/a:redhat:enterprise_linux:python2-pytest, p-cpe:/a:redhat:enterprise_linux:python2-pytest-mock, p-cpe:/a:redhat:enterprise_linux:python2-pytz, p-cpe:/a:redhat:enterprise_linux:python2-pyyaml, p-cpe:/a:redhat:enterprise_linux:python2-requests, p-cpe:/a:redhat:enterprise_linux:python2-rpm-macros, p-cpe:/a:redhat:enterprise_linux:python2-scipy, p-cpe:/a:redhat:enterprise_linux:python2-setuptools, p-cpe:/a:redhat:enterprise_linux:python2-setuptools-wheel, p-cpe:/a:redhat:enterprise_linux:python2-setuptools_scm, p-cpe:/a:redhat:enterprise_linux:python2-six, p-cpe:/a:redhat:enterprise_linux:python2-sqlalchemy, p-cpe:/a:redhat:enterprise_linux:python2-test, p-cpe:/a:redhat:enterprise_linux:python2-tkinter, p-cpe:/a:redhat:enterprise_linux:python2-tools, p-cpe:/a:redhat:enterprise_linux:python2-urllib3, p-cpe:/a:redhat:enterprise_linux:python2-virtualenv, p-cpe:/a:redhat:enterprise_linux:python2-wheel, p-cpe:/a:redhat:enterprise_linux:python2-wheel-wheel, p-cpe:/a:redhat:enterprise_linux:pytz, p-cpe:/a:redhat:enterprise_linux:scipy

必要的 KB 項目: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

可輕鬆利用: No known exploits are available

修補程式發佈日期: 2023/10/23

弱點發布日期: 2023/8/25

參考資訊

CVE: CVE-2023-40217

CWE: 305

IAVA: 2023-A-0442

RHSA: 2023:5992