CVE-2019-9720
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 12.3版本中的subtitle解码器存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-9720
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow in the subtitle decoder in Libav 12.3 allows attackers to corrupt the stack via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c misuses snprintf.
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 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libav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 12.3版本中的subtitle解码器存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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-2019-9720
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2019-9720 (2)
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https://lgtm.com/security/ x_refsource_MISC
Same Patch Batch · n/a · 2019-09-19 · 11 CVEs total
| CVE-2019-15943 | Valve Counter-Strike:Global Offensive 缓冲区错误漏洞 | |
| CVE-2019-16398 | Keeper K5 输入验证错误漏洞 | |
| CVE-2019-16412 | Tenda N301 输入验证错误漏洞 | |
| CVE-2019-16510 | libIEC61850 资源管理错误漏洞 | |
| CVE-2019-16511 | FireGiant WiX Toolset 路径遍历漏洞 | |
| CVE-2019-15032 | Pydio 安全漏洞 | |
| CVE-2019-15033 | Pydio 代码问题漏洞 | |
| CVE-2019-16525 | WordPress checklist插件跨站脚本漏洞 | |
| CVE-2019-9717 | Libav 输入验证错误漏洞 | |
| CVE-2019-9719 | Libav 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-9720
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