Bug 6848 - [Anolis OS 23] Bugfix for CVE-2023-34966
Summary: [Anolis OS 23] Bugfix for CVE-2023-34966
Status: RESOLVED FIXED
Alias: None
Product: Anolis OS 23
Classification: Anolis OS
Component: BaseOS Packages (show other bugs) BaseOS Packages
Version: unspecified
Hardware: All Linux
: P2-High S2-major
Target Milestone: ---
Assignee: happy_orange
QA Contact: bolong_tbl
URL:
Whiteboard:
Keywords: CVE
Depends on:
Blocks:
 
Reported: 2023-10-17 11:07 UTC by 小龙
Modified: 2023-10-17 11:54 UTC (History)
0 users

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Description 小龙 admin 2023-10-17 11:07:41 UTC 
Description:
Spotlight的SambamdssvcRPC服务中发现无限循环漏洞。解析客户端发送的SpotlightmdssvcRPC数据包时，核心解组函数sl_unpack_loop()未验证网络数据包中包含类似数组结构中的元素计数的字段。通过传递0作为计数值，被攻击的函数将无限循环运行，消耗100%CPU。此缺陷允许攻击者发出格式错误的RPC请求，触发无限循环，从而导致拒绝服务情况。

Broken commit info:

Bugfix commit info:
https://download.samba.orghttps://download.samba.org/pub/samba/ftp/patches/security/samba-4.17.10-security-2023-07-19.patch
https://download.samba.orghttps://download.samba.org/pub/samba/ftp/patches/security/samba-4.18.5-security-2023-07-19.patch
https://download.samba.orghttps://download.samba.org/pub/samba/ftp/patches/security/samba-4.16.11-security-2023-07-19.patch
Comment 1 小龙 admin 2023-10-17 11:54:23 UTC 
PR: 
https://gitee.com/src-anolis-os/samba/pulls/36