CVE-2017-18247
Quick assessment
Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Libav（前身是FFmpeg）是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。 Libav 12.2版本中的libavutil/audio_fifo.c文件的‘av_audio_fifo_size’函数存在安全漏洞。远程攻击者可借助特制的媒体文件利用该漏洞造成拒绝服务（空指针逆向引用）。
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I. Basic Information for CVE-2017-18247
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The av_audio_fifo_size function in libavutil/audio_fifo.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted media file.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Libav 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libav（前身是FFmpeg）是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。 Libav 12.2版本中的libavutil/audio_fifo.c文件的‘av_audio_fifo_size’函数存在安全漏洞。远程攻击者可借助特制的媒体文件利用该漏洞造成拒绝服务（空指针逆向引用）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2017-18247
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2017-18247 (1)
-
https://bugzilla.libav.org/show_bug.cgi?id=1089 x_refsource_MISC
Same Patch Batch · n/a · 2018-03-23 · 19 CVEs total
| CVE-2018-8964 | libming 安全漏洞 | |
| CVE-2018-1000140 | rsyslog librelp 缓冲区错误漏洞 | |
| CVE-2018-1207 | Dell EMC iDRAC7和iDRAC8 代码注入漏洞 | |
| CVE-2017-17736 | Kentico 安全漏洞 | |
| CVE-2018-8949 | MISP 安全漏洞 | |
| CVE-2018-8948 | MISP 跨站脚本漏洞 | |
| CVE-2018-1000136 | GitHub Electron Webviews 安全漏洞 | |
| CVE-2017-18246 | Libav 安全漏洞 | |
| CVE-2017-18245 | Libav 安全漏洞 | |
| CVE-2018-1000137 | Scilico I, Librarian 跨站请求伪造漏洞 | |
| CVE-2018-8963 | libming 安全漏洞 | |
| CVE-2018-8962 | libming 安全漏洞 | |
| CVE-2018-8961 | libming 安全漏洞 | |
| CVE-2018-8960 | ImageMagick 缓冲区错误漏洞 | |
| CVE-2018-8957 | CoverCMS 跨站脚本漏洞 | |
| CVE-2018-1000141 | Scilico I, Librarian 访问控制错误漏洞 | |
| CVE-2018-1000139 | Scilico I, Librarian 跨站脚本漏洞 | |
| CVE-2018-1000138 | Scilico I, Librarian 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2017-18247
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