7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.97 High
EPSS
Percentile
99.7%
Debian LTS Advisory DLA-2534-1 [email protected]
https://www.debian.org/lts/security/ Salvatore Bonaccorso
January 26, 2021 https://wiki.debian.org/LTS
Package : sudo
Version : 1.8.19p1-2.1+deb9u3
CVE ID : CVE-2021-3156
The Qualys Research Labs discovered a heap-based buffer overflow
vulnerability in sudo, a program designed to provide limited super user
privileges to specific users. Any local user (sudoers and non-sudoers)
can exploit this flaw for root privilege escalation.
For Debian 9 stretch, this problem has been fixed in version
1.8.19p1-2.1+deb9u3.
We recommend that you upgrade your sudo packages.
For the detailed security status of sudo please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/sudo
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | all | sudo | < 1.8.19p1-2.1+deb9u3 | sudo_1.8.19p1-2.1+deb9u3_all.deb |
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.97 High
EPSS
Percentile
99.7%