Upstream information

CVE-2020-10593 at MITRE

Description

Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpad_setup_machine_on_circ because a circuit-padding machine can be negotiated twice on the same circuit.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1167014 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 12
  • tor >= 0.3.5.12-25.1
 Patchnames:
openSUSE-2020-1970
SUSE Package Hub 15 SP1
  • tor >= 0.3.5.12-bp151.3.6.1
 Patchnames:
openSUSE-2020-1970
openSUSE-2020-428
SUSE Package Hub 15 SP2
  • tor >= 0.4.4.6-bp152.2.3.1
 Patchnames:
openSUSE-2020-1970
openSUSE Leap 15.1
  • tor >= 0.3.5.12-lp151.2.6.1
 Patchnames:
openSUSE-2020-1970
openSUSE-2020-406
openSUSE Leap 15.2
  • tor >= 0.4.4.6-lp152.2.3.1
 Patchnames:
openSUSE-2020-1970
openSUSE Tumbleweed
  • tor >= 0.4.6.7-2.2
 Patchnames:
openSUSE-Tumbleweed-2024-11469

SUSE Timeline for this CVE

CVE page created: Wed Mar 18 18:53:55 2020
CVE page last modified: Sat Nov 1 21:54:08 2025