安全公告/【CVE-2018-6594】

基本信息

漏洞名称:
受影响操作系统:桌面操作系统
危险等级:高危
影响源码包:pycryptodome
CVSS评分:7.5
发现日期:2023-08-08
修复版本:3.6.1-2

漏洞描述

lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for PyCrypto's ElGamal implementation.

修复方式

sudo apt update && sudo apt dist-upgrade

漏洞判定

执行命令apt policy PackageName获取软件包版本号，版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复

补丁

参考

https://security-tracker.debian.org/tracker/CVE-2018-6594
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6594
https://nvd.nist.gov/vuln/detail/CVE-2018-6594