POJIA破甲
地图 / Path Traversal in mbstream Extract

Path Traversal in mbstream Extract

路径遍历 / 路径遍历 / #3678395

厂商
MariaDB
严重程度
中危 · CVSS 7.8
赏金
—
弱点
路径遍历
研究员
@riscj
披露日期
2026-10-03
资产
MariaDB Server & Connectors - Remote Code Execution
CVE
CVE-2018-1002200CVE-2018-1002201

该报告还没有中文解读。

原文摘录

摘自原文(15673 字符中的一小部分)
The xbstream extraction code in `mbstream` (the first-party extraction utility shipped in the `mariadb-backup` package) does not reject `..` path components in archive chunk paths. The current safeguard, `MY_RELATIVE_PATH` passed to `fn_format()`, prevents absolute paths but does not prevent …
原文中的代码
static ds_file_t *
local_open(ds_ctxt_t *ctxt, const char *path, MY_STAT *mystat)
{
    char fullpath[FN_REFLEN];
    char dirpath[FN_REFLEN];
    size_t dirpath_len;
    ...
    fn_format(fullpath, path, ctxt->root, "", MYF(MY_RELATIVE_PATH));    // (1)

    dirname_part(dirpath, fullpath, …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 MariaDB 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @riscj · 版权归作者与 MariaDB 所有

同类报告

Arbitrary file read via the UploadsRewriter when moving and issueGitLab · 2020-04-27 · $20,000Arbitrary file read via the bulk imports UploadsPipelineGitLab · 2022-03-21 · $29,000Misuse of an authentication cookie combined with a path traversal on app.starbucks.com permitted access to restricted dataStarbucks · 2020-06-16Arbitrary file read during project importGitLab · 2021-05-24 · $16,000Burp Suite Professional: browser-powered crawl can write attacker-controlled files through file input handlingPortSwigger Web Security · 2026-06-14 · $5,000Path traversal in filename in LINE Mac clientLY Corporation · 2020-07-31