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osvGoogleOSV:CVE-2021-4209
HistoryAug 24, 2022 - 4:15 p.m.

CVE-2021-4209

2022-08-2416:15:09
Google
osv.dev
10
gnutls
null pointer dereference
denial of service
nettle's hash update
undefined behavior
authentication

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

58.9%

JSON

A NULL pointer dereference flaw was found in GnuTLS. As Nettle’s hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances.

Related

openvas 22
nessus 26
ubuntu 2
alpinelinux 1
redhatcve 1
debiancve 1
cvelist 1
cve 1
prion 1
ubuntucve 1
nvd 1
osv 3
cbl_mariner 1
mageia 1
suse 1
debian 1
redos 1
rosalinux 1
cloudfoundry 1
photon 2
ics 1
avleonov 1
openvas
openvas
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2023-05-08 00:00:00
SUSE: Security Advisory (SUSE-SU-2022:0677-1)
2022-03-03 00:00:00
Mageia: Security Advisory (MGASA-2022-0098)
2022-03-13 00:00:00
nessus
nessus
SUSE SLES12 Security Update : gnutls (SUSE-SU-2022:0678-1)
2022-03-03 00:00:00
EulerOS 2.0 SP8 : gnutls (EulerOS-SA-2023-1316)
2023-02-08 00:00:00
openSUSE 15 Security Update : gnutls (openSUSE-SU-2022:0717-1)
2022-03-05 00:00:00
ubuntu
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2022-11-30 00:00:00
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2022-08-24 16:15:09
cvelist
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2022-08-24 16:15:09
prion
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2022-08-24 16:15:00
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nvd
nvd
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osv
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gnutls28 vulnerability
2022-11-30 06:06:29
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2022-08-04 16:07:06
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2022-08-11 00:00:00
cbl_mariner
cbl_mariner
CVE-2021-4209 affecting package gnutls 3.6.14-6
2022-10-13 00:40:12
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Updated gnutls packages fix security vulnerability
2022-03-12 06:07:34
suse
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Security update for gnutls (moderate)
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[SECURITY] [DLA 3070-1] gnutls28 security update
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ROS-20240717-03
2024-07-17 00:00:00
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Advisory ROSA-SA-2023-2298
2023-11-21 12:51:04
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USN-5550-1: GnuTLS vulnerabilities | Cloud Foundry
2022-08-25 00:00:00
photon
photon
Important Photon OS Security Update - PHSA-2022-4.0-0240
2022-09-05 00:00:00
Important Photon OS Security Update - PHSA-2022-3.0-0445
2022-09-05 00:00:00
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2023-12-14 12:00:00
avleonov
avleonov
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2022-12-30 18:03:13

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.5

Confidence

High

EPSS

0.002

Percentile

58.9%

JSON
Related for OSV:CVE-2021-4209
openvas22nessus26ubuntu2alpinelinux1redhatcve1debiancve1cvelist1cve1prion1ubuntucve1nvd1osv3cbl_mariner1mageia1suse1debian1redos1rosalinux1cloudfoundry1photon2ics1avleonov1