CVE-2018-0491

HIGH

Tor < 0.3.2.10 - Use After Free

Title source: rule

Description

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.

Exploits (1)

exploitdb WORKING POC

by t4rkd3vilz · htmldoslinux

https://www.exploit-db.com/exploits/44994

View Code ZIP pw:eip

References (4)

[Vendor Advisory] https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915

[Issue Tracking, Mitigation, Vendor Advisory] https://trac.torproject.org/projects/tor/ticket/24700

[Issue Tracking, Patch, Vendor Advisory] https://trac.torproject.org/projects/tor/ticket/25117

[Exploit, Third Party Advisory, VDB Entry] https://www.exploit-db.com/exploits/44994/

Scores

CVSS v3 7.5

EPSS 0.0804

EPSS Percentile 92.1%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-416

Status published

Products (1)

torproject/tor 0.3.2.0 - 0.3.2.10

Published Mar 05, 2018

Tracked Since Feb 18, 2026