CVE-2017-8823

8.1 HIGH
Published: December 03, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugs.torproject.org/24313
Source: security@debian.org
Issue Tracking Vendor Advisory
https://bugs.torproject.org/24430
Source: security@debian.org
Vendor Advisory
https://www.debian.org/security/2017/dsa-4054
Source: security@debian.org
Third Party Advisory
https://bugs.torproject.org/24313
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory
https://bugs.torproject.org/24430
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.debian.org/security/2017/dsa-4054
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
0.4%
60th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

tor_project debian