8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
Network Security Services (NSS) is vulnerable to denial of service (DoS). It is possible due to out-of-bounds writes when passing an output buffer smaller than the block size to NSC_EncryptUpdate
.
lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html
access.redhat.com/errata/RHSA-2019:4114
access.redhat.com/errata/RHSA-2020:0243
access.redhat.com/errata/RHSA-2020:0466
access.redhat.com/security/updates/classification/#important
bugzilla.mozilla.org/show_bug.cgi?id=1586176
cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
lists.debian.org/debian-lts-announce/2020/09/msg00029.html
security.gentoo.org/glsa/202003-02
security.gentoo.org/glsa/202003-10
security.gentoo.org/glsa/202003-37
us-cert.cisa.gov/ics/advisories/icsa-21-040-04
usn.ubuntu.com/4241-1/
usn.ubuntu.com/4335-1/
www.mozilla.org/security/advisories/mfsa2019-36/
www.mozilla.org/security/advisories/mfsa2019-37/
www.mozilla.org/security/advisories/mfsa2019-38/
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P