Ubuntu.comUB:CVE-2021-46848CVE-2021-46848
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
72.1%
GNU Libtasn1 before 4.19.0 has an ETYPE_OK off-by-one array size check that
affects asn1_encode_simple_der.
Bugs
Notes
| Author | Note |
|---|---|
| mdeslaur | out of bounds read in API when using invalid value, not likely to be exploitable in any way |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | libtasn1-6 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | libtasn1-6 | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | libtasn1-6 | < any | UNKNOWN |
| ubuntu | 14.04 | noarch | libtasn1-6 | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | libtasn1-6 | < 4.7-3ubuntu0.16.04.3+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
0.004 Low
EPSS
Percentile
72.1%