4.3

CVE-2017-8822: debian debian_linux Communication Channel Errors

CVSS: 4.3v2.0MediumModified
AliasesUBUNTU-CVE-2017-8822DEBIAN-CVE-2017-8822
Published 03-12-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-8822 is a medium (CVSS 4.3) Communication Channel Errors vulnerability in debian debian_linux. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 59.1% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
DSA-4054-1MGASA-2017-0444OPENSUSE-SU-2017:3201-1OPENSUSE-SU-2017:3203-1OPENSUSE-SU-2024:11469-1

Timeline

  1. 03-12-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Tor_project1 product
  • tor< 0.2.5.16 | ≥ 0.2.6, < 0.2.8.17 | ≥ 0.2.9, < 0.2.9.14 | ≥ 0.3.0, < 0.3.0.13 | ≥ 0.3.1, < 0.3.1.9
Ubuntu1 product
  • tor< 0.2.4.27-1ubuntu0.1 | < 0.2.9.14-1ubuntu1~16.04.2

3 vendors · 4 products

References

7 links