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[email protected]CVE-2019-8955

HistoryFeb 21, 2019 - 11:29 p.m.

CVE-2019-8955

2019-02-2123:29:00

CWE-770

[email protected]

web.nvd.nist.gov

119

cve-2019-8955

tor

denial of service

memory exhaustion

kist cell scheduler

nvd

vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.02 Low

EPSS

Percentile

88.7%

JSON

In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.

CPENameOperatorVersion
torproject:tortorproject torlt0.3.3.12
torproject:tortorproject toreq0.3.4.0
torproject:tortorproject toreq0.3.4.1
torproject:tortorproject toreq0.3.4.2
torproject:tortorproject toreq0.3.4.3
torproject:tortorproject toreq0.3.4.4
torproject:tortorproject toreq0.3.4.5
torproject:tortorproject toreq0.3.4.6
torproject:tortorproject toreq0.3.4.7
torproject:tortorproject torlt0.3.4.11

CPE	Name	Operator	Version
torproject:tor	torproject tor	lt	0.3.3.12
torproject:tor	torproject tor	eq	0.3.4.0
torproject:tor	torproject tor	eq	0.3.4.1
torproject:tor	torproject tor	eq	0.3.4.2
torproject:tor	torproject tor	eq	0.3.4.3
torproject:tor	torproject tor	eq	0.3.4.4
torproject:tor	torproject tor	eq	0.3.4.5
torproject:tor	torproject tor	eq	0.3.4.6
torproject:tor	torproject tor	eq	0.3.4.7
torproject:tor	torproject tor	lt	0.3.4.11