CVE-2018-20199
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.
Freeware Advanced Audio Decoder 2 (FAAD2)是一款免费的高级音频编码器。 FAAD2 2.8.8版本中的libfaad/filtbank.c文件的‘ifilter_bank’函数存在空指针逆向引用漏洞。攻击者可利用该漏洞造成拒绝服务（段错误和应用程序崩溃）。
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I. Basic Information for CVE-2018-20199
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service because adding to windowed output is mishandled in the ONLY_LONG_SEQUENCE case.
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
Freeware Advanced Audio Decoder 2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Freeware Advanced Audio Decoder 2 (FAAD2)是一款免费的高级音频编码器。 FAAD2 2.8.8版本中的libfaad/filtbank.c文件的‘ifilter_bank’函数存在空指针逆向引用漏洞。攻击者可利用该漏洞造成拒绝服务（段错误和应用程序崩溃）。
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-2018-20199
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2018-20199 (2)
Mailing List Discussions for CVE-2018-20199 (1)
Other References for CVE-2018-20199 (1)
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https://github.com/knik0/faad2/issues/24 x_refsource_MISC
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| CVE-2018-6978 | VMware vRealize Operations 权限许可和访问控制问题漏洞 | |
| CVE-2018-20213 | libexcel 缓冲区错误漏洞 | |
| CVE-2017-15031 | ARM Trusted Firmware 信息泄露漏洞 | |
| CVE-2018-19522 | DriverAgent 安全漏洞 | |
| CVE-2018-4015 | Webroot BrightCloud SDK 安全漏洞 | |
| CVE-2018-20201 | Espruino 安全漏洞 | |
| CVE-2018-20194 | Freeware Advanced Audio Decoder 2 缓冲区错误漏洞 | |
| CVE-2018-20195 | Freeware Advanced Audio Decoder 2 安全漏洞 | |
| CVE-2018-20196 | Freeware Advanced Audio Decoder 2 缓冲区错误漏洞 | |
| CVE-2018-20197 | Freeware Advanced Audio Decoder 2 缓冲区错误漏洞 | |
| CVE-2018-20198 | Freeware Advanced Audio Decoder 2 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2018-20199
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