1. 漏洞概述 CVE-2020-29361 P11-glue P11-kit是P11-glue个人开发者的一个用于加载和枚举PKCS模块的工具软件。 在p11试剂盒0.21.1至0.23.21中发现了一个问题。在p11-kit库和p11-kit list命令的数组分配中发现了多个整数溢出，在调用realloc或calloc之前缺少溢出检查。 CVE-2020-29362 P11-glue P11-kit是P11-glue个人开发者的一个用于加载和枚举PKCS模块的工具软件。 P11-glue P11-kit server/remote 0.23.6版本至0.23.21版本存在缓冲区错误漏洞，该漏洞源于使用的RPC协议中发现了基于堆的缓冲区超读。当远程实体通过序列化的PKCS#11函数调用提供字节数组时，接收实体可能允许读取超过堆分配的最多4个字节的内存。 CVE-2020-29363 P11-glue P11-kit是P11-glue个人开发者的一个用于加载和枚举PKCS模块的工具软件。 P11-glue P11-kit server/remote 0.23.6版本至0.23.21版本存在缓冲区错误漏洞，该漏洞源于RPC协议中发现了基于堆的缓冲区溢出，当远程实体在CK_ATTRIBUTE中提供序列化的字节数组时，接收实体可能没有为缓冲区分配足够的长度来存储反序列化的值。 2. 受影响的操作系统及软件包 ·银河麒麟操作系统V10桌面版、V4 libp11-kit-dev libp11-kit0 p11-kit p11-kit-modules ·银河麒麟桌面操作系统V10 SP1 libp11-kit-dev libp11-kit0 p11-kit p11-kit-modules 3. 软件包修复版本 软件包：p11-kit 0.23.2-5~kord16.04.2(V4、V10) 0.23.20-1kylin0.1(V10 SP1) 4. 修复方法 方法一：配置源进行升级安装 打开软件包源配置文件，根据仓库地址进行修改。 4.0.2-sp1: http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp1-desktop main restricted universe multiverse 4.0.2-sp2: http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp2-desktop main restricted universe multiverse 4.0.2-sp3: http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp3-desktop main restricted universe multiverse 4.0.2-sp4: http://archive.cyjm16888.com/kylin/KYLIN-ALL 4.0.2sp4-desktop main restricted universe multiverse 10.0: http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.0 main restricted universe multiverse 10.0 SP1: http://archive.cyjm16888.com/kylin/KYLIN-ALL 10.1 main restricted universe multiverse 配置完成后执行更新命令进行升级 $sudo apt update 方法二：下载安装包进行升级安装 通过软件包地址下载软件包，使用软件包升级命令根据受影响的组件包列表 升级相关的组件包。 #dpkg -i Packagelists 5. 软件包下载地址 银河麒麟操作系统V10桌面版、V4 X86_64软件包下载地址 http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit-dev_0.23.2-5~kord16.04.2_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit0_0.23.2-5~kord16.04.2_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit-modules_0.23.2-5~kord16.04.2_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit_0.23.2-5~kord16.04.2_amd64.deb arm64软件包下载地址 http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit-dev_0.23.2-5~kord16.04.2_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit0_0.23.2-5~kord16.04.2_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit-modules_0.23.2-5~kord16.04.2_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit_0.23.2-5~kord16.04.2_arm64.deb 银河麒麟操作系统桌面版V10 SP1 X86_64软件包下载地址 http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit-dev_0.23.20-1kylin0.1_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit0_0.23.20-1kylin0.1_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit-modules_0.23.20-1kylin0.1_amd64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit_0.23.20-1kylin0.1_amd64.deb arm64软件包下载地址 http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit-dev_0.23.20-1kylin0.1_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit0_0.23.20-1kylin0.1_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit-modules_0.23.20-1kylin0.1_arm64.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit_0.23.20-1kylin0.1_arm64.deb mips64el软件包下载地址 http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit-dev_0.23.20-1kylin0.1_mips64el.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/libp11-kit0_0.23.20-1kylin0.1_mips64el.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit-modules_0.23.20-1kylin0.1_mips64el.deb http://archive.cyjm16888.com/kylin/KYLIN-ALL/pool/main/p/p11-kit/p11-kit_0.23.20-1kylin0.1_mips64el.deb 6. 修复验证 使用软件包查询命令，查看相关的软件包版本大于或等于修复版本则成功修复。 $sudo dpkg -l |grep Package 注：Package为软件包包名。