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CVE-2017-16803

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 11.11及之前的版本和12.x版本至12.1版本中的libavcodec/smacker.c文件的‘smacker_decode_tree’函数存在安全漏洞，该漏洞源于程序没有正确的限制树递归。远程攻击者可借助特制的Smacker流利用该漏洞造成拒绝服务（‘bitstream.c:build_table()’函数越边界读取和应用程序崩溃）。

AI Predicted 7.5 Difficulty: Easy EPSS 3.01% · P87

Possible ATT&CK Techniques 1 AI

T1029 · Scheduled Transfer
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I. Basic Information for CVE-2017-16803

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Libav through 11.11 and 12.x through 12.1, the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.
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 11.11及之前的版本和12.x版本至12.1版本中的libavcodec/smacker.c文件的‘smacker_decode_tree’函数存在安全漏洞，该漏洞源于程序没有正确的限制树递归。远程攻击者可借助特制的Smacker流利用该漏洞造成拒绝服务（‘bitstream.c:build_table()’函数越边界读取和应用程序崩溃）。
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-2017-16803

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III. Intelligence Information for CVE-2017-16803

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Patches & Fixes for CVE-2017-16803 (1)

Vendor Advisories for CVE-2017-16803 (3)

Other References for CVE-2017-16803 (1)

Same Patch Batch · n/a · 2017-11-13 · 75 CVEs total

CVE-2017-13833 Apple macOS High Sierra CFNetwork 安全漏洞
CVE-2017-14388 Pivotal Cloud Foundry GrootFS 安全漏洞
CVE-2017-13844 Apple iOS Messages 安全漏洞
CVE-2017-13843 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13842 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13841 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13840 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13838 Apple macOS High Sierra Sandbox 安全漏洞
CVE-2017-13836 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13834 Apple macOS High Sierra Kernel 安全漏洞
CVE-2017-13846 Apple macOS High Sierra PCRE 安全漏洞
CVE-2017-13832 Apple iOS和macOS Sierra 802.1X 安全漏洞
CVE-2017-13831 Apple macOS High Sierra ImageIO 安全漏洞
CVE-2017-13830 Apple macOS High Sierra HFS 安全漏洞
CVE-2017-13829 Apple macOS High Sierra CFNetwork 安全漏洞
CVE-2017-13828 Apple macOS High Sierra Fonts 安全漏洞
CVE-2017-13825 Apple macOS High Sierra CoreText 安全漏洞
CVE-2017-13824 Apple macOS High Sierra Open Scripting Architecture 安全漏洞
CVE-2017-13823 Apple macOS High Sierra QuickTime 安全漏洞
CVE-2017-13822 Apple macOS High Sierra Quick Look 安全漏洞

Showing top 20 of 75 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2017-16803

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