UbuntuUSN-5720-1Zstandard vulnerabilities
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.1%
Releases
- Ubuntu 16.04 ESM
Packages
- libzstd - fast lossless compression algorithm
Details
It was discovered that Zstandard was not properly managing file
permissions when generating output files. A local attacker could
possibly use this issue to cause a race condition and gain
unauthorized access to sensitive data.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | zstd | < 1.3.1+dfsg-1~ubuntu0.16.04.1+esm3 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libzstd1 | < 1.3.1+dfsg-1~ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libzstd1-dbgsym | < 1.3.1+dfsg-1~ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libzstd1-dev | < 1.3.1+dfsg-1~ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | zstd | < 1.3.1+dfsg-1~ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | zstd-dbgsym | < 1.3.1+dfsg-1~ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libzstd1 | < 1.3.1+dfsg-1~ubuntu0.16.04.1+esm3 | UNKNOWN |
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 Medium
AI Score
Confidence
High
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
25.1%