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地图 / VLC 4.0.0 - Stack Buffer Overflow (SEH)

VLC 4.0.0 - Stack Buffer Overflow (SEH)

内存破坏 / 栈溢出 / #489102

厂商
VLC (European Commission - DIGIT)
严重程度
中危
赏金
$2,817
弱点
栈溢出
研究员
@qrayn
披露日期
2020-02-10
资产
—
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(3300 字符中的一小部分)
Incorrect calculation of Buffer Size in rist module for VLC leading to Stack Overflow with SEH chain overwrite.
原文中的代码
/** Sender name is set to max length of MAX_CNAME (128), line: 446 **/
char new_sender_name[MAX_CNAME];

/** name_length is read from the RTSP header, line: 489 **/
int8_t name_length = rtcp_sdes_get_name_length(buf);

/** memcpy new_sender_name with name_length bytes, line: 525 **/ …

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 VLC (European Commission - DIGIT) 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @qrayn · 版权归作者与 VLC (European Commission - DIGIT) 所有

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