libsndfile是由Erik de Castro Lopo写的的广泛用于读写音频文件的C语言库。它支持的音频格式十分广泛并且能够自动的从一种格式到另外一种格式。8月24日,RedHat发布了安全更新，修复了红帽音频处理库(libsndfile)中发现的任意代码执行漏洞。以下是漏洞详情：
漏洞详情
来源：https://access.redhat.com/errata/RHSA-2021:3151
CVE-2021-3246 CVSS评分：8.8 严重程度：高
在libsndfile 中发现了堆缓冲区溢出漏洞。该漏洞允许攻击者通过精心制作的 WAV 文件执行任意代码。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_64 8 x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
Red Hat Enterprise Linux Server - AUS 8.4 x86_64
Red Hat Enterprise Linux for IBM z Systems 8 s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat Enterprise Linux Server - TUS 8.4 x86_64
Red Hat Enterprise Linux for ARM 64 8 aarch64
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
Red Hat CodeReady Linux Builder for x86_64 8 x86_64
Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.4 x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.4 ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 8.4 s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.4 aarch64
解决方案
libsndfile的安全更新现在可用于Red Hat Enterprise Linux 8,有关如何应用此更新的详细信息，请参阅：
https://access.redhat.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/security-updates/#/security-advisories
