alibaba / alibaba/AliOS-Things
[Bug Report]: Patch for CVE-2019-14906 in reused component SDL2
- Dominant language
- C
- Stars
- 4.6k
- Forks
- 1.2k
- PR merge metrics
- No merged PRs in 30d
Description
### Contact Details
weitingcai2020@gmail.com
### What happened?
我通过使用V1SCAN(一个扫描存在于复用代码中1-Day漏洞的工具),发现您的项目中components/SDL2/src/image/IMG_bmp.c文件中的SDL_LoadBMP_RW函数可能存在CWE-125 Out-of-bounds Read漏洞,相关触发逻辑类似https://github.com/advisories/GHSA-2w82-mm6w-3vc9, 具体参考链接如下:
CVE-2019-14906:
NVD说明链接:
https://nvd.nist.gov/vuln/detail/CVE-2019-14906
修复方法:
在components/SDL2/src/image/SDL_bmp.c文件中的SDL_LoadBMP_RW函数中,第373行后, 374行 case 2: 上方 插入如下代码(插入后该代码段为374行):
`case 0:`
考虑到其可能存在的潜在风险,我愿意配合您以负责任的方式及时核实、解决和报告发现的漏洞。 如果您需要任何进一步的信息或帮助,请随时与我联系。如果需要,我也可以提交PR帮助您修复。 谢谢您,期待尽快收到您的回复!
### Version
master (Default)
### What soultions are you seeing the problem on?
_No response_
### Relevant log output
_No response_
Contributor guide
Research direction
Start by comparing components/SDL2/src/image/IMG_bmp.c with the referenced components/SDL2/src/image/SDL_bmp.c and inspect SDL_LoadBMP_RW around the stated line and case labels. Check the CVE-2019-14906 behavior and verify that the resulting code no longer permits the reported out-of-bounds read.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- embedded-iot, security
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100