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CVE
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CVE-2017-8820Date: (C)2017-12-06   (M)2023-12-22


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, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
DSA-4054
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516
https://bugs.torproject.org/24245

CPE    2
cpe:/o:debian:debian_linux:9.0
cpe:/o:debian:debian_linux:8.0
CWE    1
CWE-476
OVAL    5
oval:org.secpod.oval:def:1800032
oval:org.secpod.oval:def:53201
oval:org.secpod.oval:def:113785
oval:org.secpod.oval:def:113786
...

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