7.5

CVE-2018-0490

An issue was discovered in Tor before 0.2.9.15, 0.3.1.x before 0.3.1.10, and 0.3.2.x before 0.3.2.10. The directory-authority protocol-list subprotocol implementation allows remote attackers to cause a denial of service (NULL pointer dereference and directory-authority crash) via a misformatted relay descriptor that is mishandled during voting.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Torproject ≫ Tor Version <= 0.2.9.14
Torproject ≫ Tor Version >= 0.3.1.7 <= 0.3.1.9
Torproject ≫ Tor Version 0.3.1.1 Update alpha
Torproject ≫ Tor Version 0.3.1.2 Update alpha
Torproject ≫ Tor Version 0.3.1.3 Update alpha
Torproject ≫ Tor Version 0.3.1.4 Update alpha
Torproject ≫ Tor Version 0.3.1.5 Update alpha
Torproject ≫ Tor Version 0.3.1.6 Update rc
Torproject ≫ Tor Version 0.3.2.1 Update alpha
Torproject ≫ Tor Version 0.3.2.2 Update alpha
Torproject ≫ Tor Version 0.3.2.3 Update alpha
Torproject ≫ Tor Version 0.3.2.4 Update alpha
Torproject ≫ Tor Version 0.3.2.5 Update alpha
Torproject ≫ Tor Version 0.3.2.6 Update alpha
Torproject ≫ Tor Version 0.3.2.7 Update rc
Torproject ≫ Tor Version 0.3.2.8 Update rc
Torproject ≫ Tor Version 0.3.2.9
Debian ≫ Debian Linux Version 9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.64% 0.842
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://blog.torproject.org/new-stable-tor-releases-security-fixes-and-dos-prevention-03210-03110-02915
Vendor Advisory
https://trac.torproject.org/projects/tor/ticket/25074
Vendor Advisory
https://www.debian.org/security/2018/dsa-4183
Third Party Advisory