4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
5.4 Medium
AI Score
Confidence
High
1.2 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:H/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.7%
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
CPE | Name | Operator | Version |
---|---|---|---|
debian_linux | eq | 9.0 | |
firefox | lt | 77.0 | |
firefox_esr | lt | 68.9.0 | |
thunderbird | lt | 68.9.0 |
bugzilla.mozilla.org/show_bug.cgi?id=1631576
lists.debian.org/debian-lts-announce/2020/09/msg00029.html
security.gentoo.org/glsa/202007-49
usn.ubuntu.com/4421-1/
www.debian.org/security/2020/dsa-4726
www.mozilla.org/security/advisories/mfsa2020-20/
www.mozilla.org/security/advisories/mfsa2020-21/
www.mozilla.org/security/advisories/mfsa2020-22/
4.4 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
5.4 Medium
AI Score
Confidence
High
1.2 Low
CVSS2
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:H/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.7%