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ubuntuUbuntuUSN-3434-2
HistoryOct 23, 2017 - 12:00 a.m.

Libidn vulnerability

2017-10-2300:00:00
ubuntu.com
35

CVSS2

7.5

Attack Vector

NETWORK

Attack 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

CVSS3

9.8

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

AI Score

10

Confidence

High

EPSS

0.006

Percentile

77.7%

Releases

  • Ubuntu 12.04

Packages

  • libidn - implementation of IETF IDN specifications

Details

USN-3434-1 fixed a vulnerability in Libidn. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Libidn incorrectly handled decoding certain digits.
A remote attacker could use this issue to cause Libidn to crash, resulting
in a denial of service, or possibly execute arbitrary code.

OSVersionArchitecturePackageVersionFilename
Ubuntu12.04noarchlibidn11< 1.23-2ubuntu0.2UNKNOWN
Ubuntu12.04noarchidn< 1.23-2ubuntu0.2UNKNOWN
Ubuntu12.04noarchidn-dbgsym< 1.23-2ubuntu0.2UNKNOWN
Ubuntu12.04noarchlibidn11-dbgsym< 1.23-2ubuntu0.2UNKNOWN
Ubuntu12.04noarchlibidn11-dev< 1.23-2ubuntu0.2UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack 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

CVSS3

9.8

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

AI Score

10

Confidence

High

EPSS

0.006

Percentile

77.7%