CVE Vulnerability

CVE-2018-0491

A use-after-free issue was discovered in Tor 0.3.2.x before 0.3.2.10. It allows remote attackers to cause a denial of service (relay crash) because the KIST implementation allows a channel to be added more than once in the pending list.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://trac.torproject.org/projects/tor/ticket/25117 Issue Tracking Patch
https://trac.torproject.org/projects/tor/ticket/24700 Issue Tracking Mitigation
https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915 Vendor Advisory
https://www.exploit-db.com/exploits/44994/ Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
Information

Published : 2018-03-05 03:29

Updated : 2019-03-26 06:52

NVD link : CVE-2018-0491

Mitre link : CVE-2018-0491

Products Affected
No products.
CWE
CWE-416