PT-2018-8856 · Tor+1 · Tor+1
Published
2017-04-28
·
Updated
2024-06-15
·
CVE-2018-0490
CVSS v3.1
7.5
High
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Tor versions prior to 0.2.9.15
Tor versions 0.3.1.x prior to 0.3.1.10
Tor versions 0.3.2.x prior to 0.3.2.10
Description
The issue allows remote attackers to cause a denial of service, resulting in a NULL pointer dereference and directory-authority crash. This is achieved via a misformatted relay descriptor that is mishandled during voting.
Recommendations
For Tor versions prior to 0.2.9.15, update to version 0.2.9.15 or later.
For Tor versions 0.3.1.x prior to 0.3.1.10, update to version 0.3.1.10 or later.
For Tor versions 0.3.2.x prior to 0.3.2.10, update to version 0.3.2.10 or later.
Fix
DoS
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Tor