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ubuntuUbuntuUSN-3143-1
HistoryNov 30, 2016 - 12:00 a.m.

c-ares vulnerability

2016-11-3000:00:00
ubuntu.com
32

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

0.045 Low

EPSS

Percentile

92.4%

Releases

  • Ubuntu 16.10
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • c-ares - library for asynchronous name resolves

Details

Gzob Qq discovered that c-ares incorrectly handled certain hostnames. A
remote attacker could use this issue to cause applications using c-ares to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

OSVersionArchitecturePackageVersionFilename
Ubuntu16.10noarchlibc-ares2<ย 1.11.0-1ubuntu0.1UNKNOWN
Ubuntu16.10noarchlibc-ares-dev<ย 1.11.0-1ubuntu0.1UNKNOWN
Ubuntu16.10noarchlibc-ares2-dbgsym<ย 1.11.0-1ubuntu0.1UNKNOWN
Ubuntu16.04noarchlibc-ares2<ย 1.10.0-3ubuntu0.1UNKNOWN
Ubuntu16.04noarchlibc-ares-dev<ย 1.10.0-3ubuntu0.1UNKNOWN
Ubuntu16.04noarchlibc-ares2-dbgsym<ย 1.10.0-3ubuntu0.1UNKNOWN
Ubuntu14.04noarchlibc-ares2<ย 1.10.0-2ubuntu0.1UNKNOWN
Ubuntu14.04noarchlibc-ares-dev<ย 1.10.0-2ubuntu0.1UNKNOWN
Ubuntu14.04noarchlibc-ares2-dbgsym<ย 1.10.0-2ubuntu0.1UNKNOWN
Ubuntu12.04noarchlibc-ares2<ย 1.7.5-1ubuntu0.1UNKNOWN
Rows per page:
1-10 of 111

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

0.045 Low

EPSS

Percentile

92.4%