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云安全日报210409:红帽Nettle密码库发现越界内存访问漏洞,需要尽快升级
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简介...
Nettle是一种密码库,旨在轻松适应几乎所有环境:在面向对象语言(例如C ++,Python或Pike)的密码工具包中云安,在LSH或GNUPG之类的应用程序中,甚至在内核空间中。
4月8日,RedHat(红帽)发布了安全更新,修复了Nettle密码全日库中发现的一些重要漏洞。以下是漏洞详情:
漏洞详情
来源:https://access.redhat.com/errata报2/RHSA-2021:1145
CVE-2021-20305 CVSS评分:8.1 严重程度:高
在Nettle中存在一个漏洞,其中10一些Nettle签名验证功能(GOST DSA,EDDSA和ECDSA)导致椭圆曲线密码学点(ECC)乘法功能被超出范围调用,40可能导致错误的结果。此漏洞使攻击者可以强制使用无效签名,从而导致断言失败或可能的验证。此漏洞的最大威胁是机密性,完整性和系9:统可用性。
受影响产品和版本
Red Hat Enterprise Linux Server 7 x86_64
Red Hat Enterprise红帽 Linux Workstation 7 x86_64
Red Hat Enterprise Linux Desktop 7 x86_64
Red HaNet Enterprise Linux for IBM z Systems 7 s390x
Red Hat Enterprise Linux fortt Power, big endian 7 ppc64
Red Hat Enterprise Linux for Scientific Compleuting 7 x86_64
Red Hat Enterprise Linux for Power, little endian 7 ppc6密码4le
解决方案
Redhat已发布安全更新,有关如何应用此更新的详细信息,请参阅:
https://access.redhat库发.com/articles/11258
查看更多漏洞信息 以及升级请访问官网:
https://access.redhat.com/现越security/security-updates/#/security-advisories
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