Low severity · published Dec 3, 2017
CVE-2017-8822
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, relays (that have incompletely downloaded…
3.7
CVSS
0.9%
EPSS
No
On KEV
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, relays (that have incompletely downloaded descriptors) can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
TO
Tor · Tor Project
before 0.2.5.16; 0.2.6 before 0.2.8.17; 0.2.9 before 0.2.9.14; 0.3.0 before 0.3.0.13; 0.3.1 before 0.3.1.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8822
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8822
Vendor Advisory
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516
Issue Tracking
https://bugs.torproject.org/21534
Vendor Advisory
https://bugs.torproject.org/24333
Third Party Advisory
https://www.debian.org/security/2017/dsa-4054
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