Executive Summary

Summary
Title Apport vulnerabilities
Informations
Name USN-2609-1 First vendor Publication 2015-05-21
Vendor Ubuntu Last vendor Modification 2015-05-21
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04 - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS

Summary:

Apport could be tricked into creating arbitrary files as an administrator, resulting in privilege escalation.

Software Description: - apport: automatically generate crash reports for debugging

Details:

Sander Bos discovered that Apport incorrectly handled permissions when the system was configured to generate core dumps for setuid binaries. A local attacker could use this issue to gain elevated privileges. (CVE-2015-1324)

Philip Pettersson discovered that Apport contained race conditions resulting core dumps to be generated with incorrect permissions in arbitrary locations. A local attacker could use this issue to gain elevated privileges. (CVE-2015-1325)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 15.04:
apport 2.17.2-0ubuntu1.1

Ubuntu 14.10:
apport 2.14.7-0ubuntu8.5

Ubuntu 14.04 LTS:
apport 2.14.1-0ubuntu3.11

Ubuntu 12.04 LTS:
apport 2.0.1-0ubuntu17.9

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2609-1
CVE-2015-1324, CVE-2015-1325

Package Information:
https://launchpad.net/ubuntu/+source/apport/2.17.2-0ubuntu1.1
https://launchpad.net/ubuntu/+source/apport/2.14.7-0ubuntu8.5
https://launchpad.net/ubuntu/+source/apport/2.14.1-0ubuntu3.11
https://launchpad.net/ubuntu/+source/apport/2.0.1-0ubuntu17.9

Original Source

Url : http://www.ubuntu.com/usn/USN-2609-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-362 Race Condition
50 % CWE-264 Permissions, Privileges, and Access Controls

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 4

Nessus® Vulnerability Scanner

Date Description
2015-05-22 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2609-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2017-08-30 21:26:28
  • Multiple Updates
2017-08-26 00:24:48
  • Multiple Updates
2015-05-23 13:27:29
  • Multiple Updates
2015-05-21 21:26:04
  • First insertion