Rocky Linux 8python27:2.7 (RLSA-2020:4654)

high Nessus Plugin ID 184491

概要

遠端 Rocky Linux 主機缺少一個或多個安全性更新。

說明

遠端 Rocky Linux 8 主機已安裝受到多個弱點影響的套件如 RLSA-2020:4654 公告中所提及。

- 在 Python 3.8.3 及之前版本的 Lib/tarfile.py 中,由於 _proc_pax 缺少標頭驗證,攻擊者可以特製 TAR 封存,在 tarfile.open 開啟此封存時造成無限迴圈。(CVE-2019-20907)

- Python 的 pip 套件 19.2 之前版本在安裝命令中指定 URL 時會允許目錄遊走,這是因為 Content-Disposition 標頭的檔案名稱中可以包含 ../,覆寫 /root/.ssh/authorized_keys 檔案即為一例。此問題發生在 _internal/download.py 的 _download_http_url 中。
(CVE-2019-20916)

請注意,Nessus 並未測試這些問題,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

更新受影響的套件。

另請參閱

https://errata.rockylinux.org/RLSA-2020:4654

https://bugzilla.redhat.com/show_bug.cgi?id=1856481

https://bugzilla.redhat.com/show_bug.cgi?id=1868135

Plugin 詳細資訊

嚴重性: High

ID: 184491

檔案名稱: rocky_linux_RLSA-2020-4654.nasl

版本: 1.0

類型: local

已發布: 2023/11/6

已更新: 2023/11/6

支援的感應器: Continuous Assessment, Nessus

風險資訊

VPR

風險因素: Medium

分數: 4.4

CVSS v2

風險因素: Medium

基本分數: 5

時間性分數: 3.9

媒介: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS 評分資料來源: CVE-2019-20916

CVSS v3

風險因素: High

基本分數: 7.5

時間性分數: 6.7

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

時間媒介: CVSS:3.0/E:P/RL:O/RC:C

弱點資訊

CPE: p-cpe:/a:rocky:linux:python2-psycopg2-debug, p-cpe:/a:rocky:linux:python2-attrs, p-cpe:/a:rocky:linux:python-psycopg2-debugsource, p-cpe:/a:rocky:linux:python2-virtualenv, p-cpe:/a:rocky:linux:python2-requests, p-cpe:/a:rocky:linux:python2-py, p-cpe:/a:rocky:linux:python2-funcsigs, p-cpe:/a:rocky:linux:python2-chardet, p-cpe:/a:rocky:linux:python2-coverage-debuginfo, p-cpe:/a:rocky:linux:python2-scipy-debuginfo, p-cpe:/a:rocky:linux:python2-pyyaml, p-cpe:/a:rocky:linux:python2-scipy, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:python2-idna, p-cpe:/a:rocky:linux:python2-setuptools_scm, p-cpe:/a:rocky:linux:python2-wheel, p-cpe:/a:rocky:linux:python2-pip, p-cpe:/a:rocky:linux:pyyaml-debugsource, p-cpe:/a:rocky:linux:python2-psycopg2-debug-debuginfo, p-cpe:/a:rocky:linux:python2-pip-wheel, p-cpe:/a:rocky:linux:python2-pymongo-gridfs, p-cpe:/a:rocky:linux:python2-cython, p-cpe:/a:rocky:linux:python2-babel, p-cpe:/a:rocky:linux:cython-debugsource, p-cpe:/a:rocky:linux:python-pymongo-debuginfo, p-cpe:/a:rocky:linux:python2-pytest-mock, p-cpe:/a:rocky:linux:python2-nose, p-cpe:/a:rocky:linux:python2-docs-info, p-cpe:/a:rocky:linux:python2-pytz, p-cpe:/a:rocky:linux:python2-bson-debuginfo, p-cpe:/a:rocky:linux:python2-cython-debuginfo, p-cpe:/a:rocky:linux:python-psycopg2-doc, p-cpe:/a:rocky:linux:python2-pymongo-debuginfo, p-cpe:/a:rocky:linux:python2-bson, p-cpe:/a:rocky:linux:python2-psycopg2-debuginfo, p-cpe:/a:rocky:linux:python2-sqlalchemy, p-cpe:/a:rocky:linux:scipy-debugsource, p-cpe:/a:rocky:linux:python-nose-docs, p-cpe:/a:rocky:linux:python2-pluggy, p-cpe:/a:rocky:linux:python-coverage-debugsource, p-cpe:/a:rocky:linux:python2-pymongo, p-cpe:/a:rocky:linux:python-sqlalchemy-doc, p-cpe:/a:rocky:linux:python2-pymysql, p-cpe:/a:rocky:linux:python2-psycopg2, p-cpe:/a:rocky:linux:python2-wheel-wheel, p-cpe:/a:rocky:linux:python2-pytest, p-cpe:/a:rocky:linux:python-psycopg2-debuginfo, p-cpe:/a:rocky:linux:babel, p-cpe:/a:rocky:linux:python2-docutils, p-cpe:/a:rocky:linux:python2-coverage, p-cpe:/a:rocky:linux:python2-pygments, p-cpe:/a:rocky:linux:python-pymongo-debugsource, p-cpe:/a:rocky:linux:python2-pysocks, p-cpe:/a:rocky:linux:python2-markupsafe, p-cpe:/a:rocky:linux:python2-mock, p-cpe:/a:rocky:linux:python2-jinja2, p-cpe:/a:rocky:linux:python2-dns, p-cpe:/a:rocky:linux:python2-ipaddress, p-cpe:/a:rocky:linux:python2-psycopg2-tests, p-cpe:/a:rocky:linux:python2-pyyaml-debuginfo, p-cpe:/a:rocky:linux:python2-docs, p-cpe:/a:rocky:linux:python2-rpm-macros

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

可被惡意程式利用: true

可輕鬆利用: Exploits are available

修補程式發佈日期: 2020/11/3

弱點發布日期: 2020/7/13

參考資訊

CVE: CVE-2019-20907, CVE-2019-20916