UbuntuUSN-5034-2c-ares vulnerability
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
7.2 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
52.2%
Releases
- Ubuntu 16.04 ESM
Packages
- c-ares - library for asynchronous name resolution
Details
USN-5034-1 fixed a vulnerability in c-ares. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
Philipp Jeitner and Haya Shulman discovered that c-ares incorrectly
validated certain hostnames returned by DNS servers. A remote attacker
could possibly use this issue to perform Domain Hijacking attacks.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Ubuntu | 16.04 | noarch | libc-ares2 | < 1.10.0-3ubuntu0.2+esm1 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares-dev | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2 | < 1.10.0-3ubuntu0.2 | UNKNOWN |
| Ubuntu | 16.04 | noarch | libc-ares2-dbgsym | < 1.10.0-3ubuntu0.2 | UNKNOWN |
References
Related
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
7.2 High
AI Score
Confidence
High
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
52.2%