CVE-2017-8822
Quick assessment
Affected
n/a 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
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.
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。 Tor中存在安全漏洞。攻击者可利用该漏洞关闭日志警告。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，0.3.1.9之前的0.3.1版本。
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I. Basic Information for CVE-2017-8822
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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, relays (that have incompletely downloaded descriptors) can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012.
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
Tor 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。 Tor中存在安全漏洞。攻击者可利用该漏洞关闭日志警告。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，0.3.1.9之前的0.3.1版本。
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-2017-8822
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2017-8822 (1)
Security Blog Posts for CVE-2017-8822 (1)
Other References for CVE-2017-8822 (2)
-
https://bugs.torproject.org/24333 x_refsource_CONFIRM
-
https://bugs.torproject.org/21534 x_refsource_CONFIRM
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-2017-8823 | Tor onion service v2 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 |
IV. Related Vulnerabilities
V. Comments for CVE-2017-8822
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