地图 / Out of Bounds Memory Read in exif_process_user_comment

Out of Bounds Memory Read in exif_process_user_comment

内存破坏 / 越界读 / #675580

厂商: Internet Bug Bounty
严重程度: 中危 · CVSS 8.8
赏金: $1,500
弱点: 越界读
研究员: @sediruoksitsero
披露日期: 2020-11-09
资产: PHP
CVE: CVE-2019-11042

该报告还没有中文解读。

原文摘录

摘自原文（643 字符中的一小部分）

I have found and reported an out of bounds memory read in PHP [exif_process_user_comment] When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it …

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 Internet Bug Bounty 所有。

时间线

2019-08-17报告提交
2020-11-09公开披露

阅读 HackerOne 原文 ↗作者 @sediruoksitsero · 版权归作者与 Internet Bug Bounty 所有

同类报告

OOB reads in network message handlers leads to RCEValve · 2021-05-04 · $7,500 RCE on CS:GO client using unsanitized entity ID in EntityMsg messageValve · 2021-05-27 · $9,000 CS:GO Server -> Client RCE through OOB access in CSVCMsg_SplitScreen + Info leak in HTTP downloadValve · 2021-05-17 · $7,500 Out-of-bounds read in MariaDB .frm parsing enables RCE via vtable hijackingMariaDB · 2026-09-08 Firecracker Out-of-bounds Read/Write Local Privilege Escalation VulnerabilityAWS VDP · 2026-06-11 Conflux-queued zero-length RELAY_END triggers heap out-of-bounds readTor · 2026-09-10