中危 cloudflare octorpki 跨界内存写

CVE编号

CVE-2021-3761

利用情况

暂无

补丁情况

官方补丁

披露时间

2021-09-09
漏洞描述
Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network (for example AS 13335 - Cloudflare) prior to launching a BGP hijack which during normal operations would be rejected as "RPKI invalid". Additionally, in certain deployments RTR session flapping in and of itself also could cause BGP routing churn, causing availability issues.
解决建议
建议您更新当前系统或软件至最新版,完成漏洞的修复。
受影响软件情况
# 类型 厂商 产品 版本 影响面
1
运行在以下环境
应用 cloudflare octorpki * Up to
(excluding)
1.3.0
运行在以下环境
系统 alma_linux_8 exiv2 * Up to
(excluding)
0.27.4-5.el8
运行在以下环境
系统 debian_11 cfrpki * Up to
(excluding)
1.4.2-1~deb11u1
运行在以下环境
系统 debian_12 cfrpki * Up to
(excluding)
1.3.0-1
运行在以下环境
系统 fedora_33 mingw-exiv2 * Up to
(excluding)
0.27.4-3.fc33
运行在以下环境
系统 fedora_34 mingw-exiv2 * Up to
(excluding)
0.27.4-3.fc34
运行在以下环境
系统 kylinos_aarch64_V10SP1 exiv2 * Up to
(excluding)
0.27.5-1.ky10
运行在以下环境
系统 kylinos_aarch64_V10SP2 exiv2 * Up to
(excluding)
0.27.5-1.ky10
运行在以下环境
系统 kylinos_loongarch64_V10SP1 exiv2 * Up to
(excluding)
0.27.5-1.a.ky10
运行在以下环境
系统 kylinos_x86_64_V10SP1 exiv2 * Up to
(excluding)
0.27.5-1.ky10
运行在以下环境
系统 kylinos_x86_64_V10SP2 exiv2 * Up to
(excluding)
0.27.5-1.ky10
运行在以下环境
系统 opensuse_Leap_15.3 exiv2 * Up to
(excluding)
0.26-150000.6.16.1
运行在以下环境
系统 opensuse_Leap_15.4 exiv2 * Up to
(excluding)
0.26-150000.6.16.1
运行在以下环境
系统 oracle_8 compat-exiv2-026 * Up to
(excluding)
0.26-6.el8
运行在以下环境
系统 redhat_8 exiv2 * Up to
(excluding)
0.27.4-5.el8
运行在以下环境
系统 rocky_linux_8 exiv2 * Up to
(excluding)
0.27.4-5.el8
阿里云评分
6.3
  • 攻击路径
    远程
  • 攻击复杂度
    复杂
  • 权限要求
    无需权限
  • 影响范围
    全局影响
  • EXP成熟度
    未验证
  • 补丁情况
    官方补丁
  • 数据保密性
    数据泄露
  • 数据完整性
    传输被破坏
  • 服务器危害
    服务器失陷
  • 全网数量
    N/A
CWE-ID 漏洞类型
CWE-787 跨界内存写
阿里云安全产品覆盖情况