UbuntuUSN-5787-2Libksba vulnerability
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
56.9%
Releases
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Packages
- libksba - X.509 and CMS support library
Details
USN-5787-1 fixed vulnerabilities in Libksba. This update provides the
corresponding updates for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libksba incorrectly handled parsing CRL signatures.
A remote attacker could use this issue to cause Libksba to crash, resulting
in a denial of service, or possibly execute arbitrary code.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | libksba8 | < 1.3.3-1ubuntu0.16.04.1+esm2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libksba-dev | < 1.3.3-1ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libksba8 | < 1.3.3-1ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libksba8-dbgsym | < 1.3.3-1ubuntu0.16.04.1 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libksba8 | < 1.3.0-3ubuntu0.14.04.2+esm2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libksba-dev | < 1.3.0-3ubuntu0.14.04.2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libksba8 | < 1.3.0-3ubuntu0.14.04.2 | UNKNOWN |
| Ubuntu | 14.04 | noarch | libksba8-dbgsym | < 1.3.0-3ubuntu0.14.04.2 | UNKNOWN |
References
Related
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
56.9%