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云安全日报210608:红帽Nettle密码库发现内存越界访问漏洞,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,在LSH或GNUPG之类的应用程序中,云安甚至在内核空间中。
6月7日,RedHat(红帽)发布了安全更新,修复了Nettle密码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://ac全日cess.redhat.com/errata/RHSA-2021:2280
CVE-2021-20305 CVSS评分:8.1 严重程度:高
在Nettle中存在一个漏洞,其中报2一些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,可能导致错误的结果。此漏洞使攻击者可以强制10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,完整性和系统可用性。
受影响产品和版本
Red Hat Enterprise Linux for x86_6064 - Extended Update Support 7.7 x86_64
Red Hat Enterprise Linux Server - AUS 7.7 x86_64
Red Hat Ent8:erprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
Red Hat Enterprise Linux for Po红帽wer, big endian - Extended Update Support 7.7 ppc64
Red Hat Enterprise Linux EUS Compute Node 7.7 xNe86_64
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
Red Hattt Enterprise Linux Server - TUS 7.7 x86_64
Red Hat Enterprise Linux Server (for IBM Power LE) - Ulepdate Services for SAP Solutions 7.7 ppc64le
Red Hat Enterprise Linux Server - Update Services fo密码r SAP Solutions 7.7 x86_64
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.redha库发t.com/articles/11258
查看更多漏洞信息 以及升级请访问官网:
https://access.redhat.com/security/securi现内ty-updates/#/security-advisories
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