UBUNTU-CVE-2021-34549

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Source
https://ubuntu.com/security/CVE-2021-34549
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34549.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-34549
Related
Published
2021-06-29T12:15:00Z
Modified
2025-06-03T17:35:46Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.

References

Affected packages

Ubuntu:Pro:16.04:LTS / tor

Package

Name
tor
Purl
pkg:deb/ubuntu/tor@0.2.9.14-1ubuntu1~16.04.3+esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.2.9.14-1ubuntu1~16.04.3+esm1

Affected versions

0.*

0.2.6.10-1ubuntu2
0.2.7.6-1ubuntu1
0.2.9.11-1ubuntu1~16.04.1
0.2.9.14-1ubuntu1~16.04.1
0.2.9.14-1ubuntu1~16.04.2
0.2.9.14-1ubuntu1~16.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tor",
            "binary_version": "0.2.9.14-1ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name": "tor-dbg",
            "binary_version": "0.2.9.14-1ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name": "tor-dbgsym",
            "binary_version": "0.2.9.14-1ubuntu1~16.04.3+esm1"
        },
        {
            "binary_name": "tor-geoipdb",
            "binary_version": "0.2.9.14-1ubuntu1~16.04.3+esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / tor

Package

Name
tor
Purl
pkg:deb/ubuntu/tor@0.3.2.10-1ubuntu0.2~esm2?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.3.2.10-1ubuntu0.2~esm2

Affected versions

0.*

0.3.0.10-1
0.3.1.8-2
0.3.1.9-1
0.3.2.9-1
0.3.2.9-1build1
0.3.2.10-1
0.3.2.10-1ubuntu0.1
0.3.2.10-1ubuntu0.2~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tor",
            "binary_version": "0.3.2.10-1ubuntu0.2~esm2"
        },
        {
            "binary_name": "tor-dbgsym",
            "binary_version": "0.3.2.10-1ubuntu0.2~esm2"
        },
        {
            "binary_name": "tor-geoipdb",
            "binary_version": "0.3.2.10-1ubuntu0.2~esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / tor

Package

Name
tor
Purl
pkg:deb/ubuntu/tor@0.4.2.7-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.2.7-1ubuntu0.1~esm1

Affected versions

0.*

0.4.1.5-1
0.4.1.5-1build1
0.4.1.6-1
0.4.2.5-1
0.4.2.6-1
0.4.2.7-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tor",
            "binary_version": "0.4.2.7-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "tor-dbgsym",
            "binary_version": "0.4.2.7-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "tor-geoipdb",
            "binary_version": "0.4.2.7-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / tor

Package

Name
tor
Purl
pkg:deb/ubuntu/tor@0.4.6.10-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.4.6.10-1

Affected versions

0.*

0.4.5.9-1
0.4.6.8-1
0.4.6.8-1build1
0.4.6.9-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tor",
            "binary_version": "0.4.6.10-1"
        },
        {
            "binary_name": "tor-dbgsym",
            "binary_version": "0.4.6.10-1"
        },
        {
            "binary_name": "tor-geoipdb",
            "binary_version": "0.4.6.10-1"
        }
    ],
    "availability": "No subscription required",
    "ubuntu_priority": "medium"
}