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gentooGentoo FoundationGLSA-202107-25
HistoryJul 10, 2021 - 12:00 a.m.

Tor: Multiple vulnerabilities

2021-07-1000:00:00
Gentoo Foundation
security.gentoo.org
85
tor
vulnerabilities
upgrade

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.007

Percentile

81.2%

Background

Tor is an implementation of second generation Onion Routing, a connection-oriented anonymizing communication service.

Description

Multiple vulnerabilities have been discovered in Tor. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Tor 0.4.6.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.6.5"

All Tor 0.4.5.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.5.9"

All Tor 0.4.4.x users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-vpn/tor-0.4.4.9"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-vpn/tor< 0.4.6.5UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack 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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.007

Percentile

81.2%