vulnwire
3.7low

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…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
3.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 60%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.90% probability of exploitation in the next 30 days, higher than 60% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.03.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • n/a 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

Classification

Weakness
  • CWE-417 Communication Channel Errors

References

  • bugs.torproject.org /21534 · x_refsource_CONFIRM, x_transferred
  • blog.torproject.org /new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516 · x_refsource_CONFIRM, x_transferred
  • bugs.torproject.org /24333 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-4054 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.