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nvd[email protected]NVD:CVE-2021-34549
HistoryJun 29, 2021 - 12:15 p.m.

CVE-2021-34549

2021-06-2912:15:08
CWE-400
[email protected]
web.nvd.nist.gov
4
tor
hashing
circuit data
retrieval
algorithm inefficiency
attack

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

0.002

Percentile

62.2%

JSON

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.

Affected configurations

Nvd
Node
torprojecttorRange<0.3.5.15
OR
torprojecttorRange0.4.0.0–0.4.4.9
OR
torprojecttorRange0.4.5.0–0.4.5.9
OR
torprojecttorRange0.4.6.0–0.4.6.5
VendorProductVersionCPE
torprojecttor*cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*

Related

osv 4
cvelist 1
ubuntucve 1
alpinelinux 1
veracode 1
debiancve 1
prion 1
cve 1
archlinux 1
suse 2
openvas 6
nessus 4
debian 1
fedora 2
mageia 1
gentoo 1
ubuntu 1
osv
osv
CVE-2021-34549
2021-06-29 12:15:08
tor - security update
2021-06-18 00:00:00
tor vulnerabilities
2022-10-04 11:04:57
cvelist
cvelist
CVE-2021-34549
2021-06-29 11:08:22
ubuntucve
ubuntucve
CVE-2021-34549
2021-06-29 00:00:00
alpinelinux
alpinelinux
CVE-2021-34549
2021-06-29 12:15:08
veracode
veracode
Denial Of Service (DoS)
2021-06-19 20:48:46
debiancve
debiancve
CVE-2021-34549
2021-06-29 12:15:08
prion
prion
Design/Logic Flaw
2021-06-29 12:15:00
cve
cve
CVE-2021-34549
2021-06-29 12:15:08
archlinux
archlinux
[ASA-202106-50] tor: denial of service
2021-06-22 00:00:00
suse
suse
Security update for tor (important)
2021-06-30 00:00:00
Security update for tor (important)
2021-06-26 00:00:00
openvas
openvas
Debian: Security Advisory (DSA-4932-1)
2021-06-20 00:00:00
Mageia: Security Advisory (MGASA-2021-0293)
2022-01-28 00:00:00
Fedora: Security Advisory for tor (FEDORA-2021-ff4ad9825a)
2021-06-24 00:00:00
nessus
nessus
Debian DSA-4932-1 : tor - security update
2021-06-21 00:00:00
openSUSE 15 Security Update : tor (openSUSE-SU-2021:0926-1)
2021-06-28 00:00:00
GLSA-202107-25 : Tor: Multiple vulnerabilities
2022-01-24 00:00:00
debian
debian
[SECURITY] [DSA 4932-1] tor security update
2021-06-18 17:39:55
fedora
fedora
[SECURITY] Fedora 34 Update: tor-0.4.5.9-1.fc34
2021-06-23 01:08:31
[SECURITY] Fedora 33 Update: tor-0.4.5.9-1.fc33
2021-06-23 01:14:16
mageia
mageia
Updated tor package fixes security vulnerabilities
2021-06-29 00:16:35
gentoo
gentoo
Tor: Multiple vulnerabilities
2021-07-10 00:00:00
ubuntu
ubuntu
Tor vulnerabilities
2022-10-04 00:00:00

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

0.002

Percentile

62.2%

JSON
Related for NVD:CVE-2021-34549
osv4cvelist1ubuntucve1alpinelinux1veracode1debiancve1prion1cve1archlinux1suse2openvas6nessus4debian1fedora2mageia1gentoo1ubuntu1