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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:164628
[Rus]
Version
6
Class
vulnerability
ALTXid
372948
Language
English
Severity
Critical
Title
Red Hat/CentOS -- vulnerability in nss (CVE-2021-43527)
Description
The vulnerability was found in nss.
Family
unix
Platform
CentOS Linux 7
CentOS Linux 8
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 7.3
Red Hat Enterprise Linux 7.4
Red Hat Enterprise Linux 7.6
Red Hat Enterprise Linux 7.7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.1
Red Hat Enterprise Linux 8.2
Red Hat Enterprise Linux 8.4
Product
nss
RHV-H
thunderbird
Reference
VENDOR: RHSA-2021:5035
VENDOR: RHSA-2021:5035
Id:
RHSA-2021:5035
Reference:
https://access.redhat.com/errata/RHSA-2021:5035
packetstormsecurity: NSS-Signature-Validation-Memory-Corruption
packetstormsecurity: NSS-Signature-Validation-Memory-Corruption
Id:
NSS-Signature-Validation-Memory-Corruption
Reference:
https://packetstormsecurity.com/files/165110/NSS-Signature-Validation-Memory-Corruption.html
VENDOR: RHSA-2021:4969
VENDOR: RHSA-2021:4969
Id:
RHSA-2021:4969
Reference:
https://access.redhat.com/errata/RHSA-2021:4969
CESA-2021:4904: CESA-2021:4904
CESA-2021:4904: CESA-2021:4904
Id:
CESA-2021:4904
Reference:
http://lists.centos.org/pipermail/centos-announce/2021-December/060972.html
VENDOR: RHSA-2021:4994
VENDOR: RHSA-2021:4994
Id:
RHSA-2021:4994
Reference:
https://access.redhat.com/errata/RHSA-2021:4994
VENDOR: RHSA-2021:4932
VENDOR: RHSA-2021:4932
Id:
RHSA-2021:4932
Reference:
https://access.redhat.com/errata/RHSA-2021:4932
VENDOR: RHSA-2021:4933
VENDOR: RHSA-2021:4933
Id:
RHSA-2021:4933
Reference:
https://access.redhat.com/errata/RHSA-2021:4933
VENDOR: RHSA-2021:4946
VENDOR: RHSA-2021:4946
Id:
RHSA-2021:4946
Reference:
https://access.redhat.com/errata/RHSA-2021:4946
VENDOR: RHSA-2021:4953
VENDOR: RHSA-2021:4953
Id:
RHSA-2021:4953
Reference:
https://access.redhat.com/errata/RHSA-2021:4953
VENDOR: RHSA-2021:4954
VENDOR: RHSA-2021:4954
Id:
RHSA-2021:4954
Reference:
https://access.redhat.com/errata/RHSA-2021:4954
CVE: CVE-2021-43527
CVE: CVE-2021-43527
Id:
CVE-2021-43527
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43527
Comment
: NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.509, OCSP or CRL functionality may be impacted, depending on how they configure NSS. *Note: This vulnerability does NOT impact Mozilla Firefox.* However, email clients and PDF viewers that use NSS for signature verification, such as Thunderbird, LibreOffice, Evolution and Evince are believed to be impacted. This vulnerability affects NSS < 3.73 and NSS < 3.68.1.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://www.mozilla.org/security/advisories/mfsa2021-51/ (MISC)
https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_73_RTM/ (MISC)
https://ftp.mozilla.org/pub/security/nss/releases/NSS_3_68_1_RTM/ (MISC)
https://bugzilla.mozilla.org/show_bug.cgi?id=1737470 (MISC)
https://security.netapp.com/advisory/ntap-20211229-0002/ (CONFIRM)
https://cert-portal.siemens.com/productcert/pdf/ssa-594438.pdf (CONFIRM)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
https://www.starwindsoftware.com/security/sw-20220802-0001/ (MISC)
GLSA-202212-05 (GENTOO)
VENDOR: RHSA-2021:4907
VENDOR: RHSA-2021:4907
Id:
RHSA-2021:4907
Reference:
https://access.redhat.com/errata/RHSA-2021:4907
VENDOR: RHSA-2021:4904
VENDOR: RHSA-2021:4904
Id:
RHSA-2021:4904
Reference:
https://access.redhat.com/errata/RHSA-2021:4904
VENDOR: RHSA-2021:4903
VENDOR: RHSA-2021:4903
Id:
RHSA-2021:4903
Reference:
https://access.redhat.com/errata/RHSA-2021:4903
VENDOR: RHSA-2021:4909
VENDOR: RHSA-2021:4909
Id:
RHSA-2021:4909
Reference:
https://access.redhat.com/errata/RHSA-2021:4909
VENDOR: RHSA-2021:4919
VENDOR: RHSA-2021:4919
Id:
RHSA-2021:4919
Reference:
https://access.redhat.com/errata/RHSA-2021:4919
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