CVE-2020-10593

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://trac.torproject.org/projects/tor/ticket/33619	Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202003-50	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00045.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00052.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:torproject:tor::::::::
	cpe:2.3:a:torproject:tor::::::::
	cpe:2.3:a:torproject:tor::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:leap:15.1:::::::*
	cpe:2.3:a:opensuse:backports_sle:15.0:sp1::::::

Information

Published : 2020-03-23 06:15

Updated : 2023-02-03 11:36

NVD link : CVE-2020-10593

Mitre link : CVE-2020-10593

JSON object : View

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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Products Affected

opensuse

backports_sle
leap

torproject

tor

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