CVE-2017-8823
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I. Basic Information for CVE-2017-8823
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tor onion service v2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tor（The Onion Router）是第二代洋葱路由（onion routing）的一种实现，主要用于匿名访问互联网。onion service v2是其中的一个匿名访问组件。 Tor中的onion service v2存在释放后重用漏洞，该漏洞源于程序没有正确的处理过期清单。攻击者可利用该漏洞造成拒绝服务（崩溃）。以下版本受到影响：Tor 0.2.5.16之前的版本，0.2.6版本至0.2.8.17之前的0.2.8版本，0.2.9.14之前的0.2.9版本，0.3.0.13之前的0.3.0版本，0
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 |
|---|---|---|---|---|
| - | Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9 | Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9 | - |
II. Public POCs for CVE-2017-8823
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugs.torproject.org/24430x_refsource_CONFIRM
- https://bugs.torproject.org/24313x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2017-8823
Same Patch Batch · n/a · 2017-12-03 · 8 CVEs total
| CVE-2017-14516 | SAP Business Objects Financial Consolidation 跨站脚本漏洞 | |
| CVE-2017-8819 | Tor 安全漏洞 | |
| CVE-2017-8820 | Tor 安全漏洞 | |
| CVE-2017-8821 | Tor 安全漏洞 | |
| CVE-2017-8822 | Tor 安全漏洞 | |
| CVE-2017-17096 | WordPress Content Cards插件跨站脚本漏洞 | |
| CVE-2017-17099 | Flexense SyncBreeze Enterprise HTTP服务器缓冲区错误漏洞 |
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V. Comments for CVE-2017-8823
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