National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-1338 Detail

Current Description

kernel_crashdump in Apport before 2.19 allows local users to cause a denial of service (disk consumption) or possibly gain privileges via a (1) symlink or (2) hard link attack on /var/crash/vmcore.log.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html Exploit
http://seclists.org/fulldisclosure/2015/Sep/101
http://www.halfdog.net/Security/2015/ApportKernelCrashdumpFileAccessVulnerabilities/ Exploit
http://www.ubuntu.com/usn/USN-2744-1
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1492570
https://launchpad.net/apport/trunk/2.19 Patch
https://www.exploit-db.com/exploits/38353/ Exploit

Technical Details

Vulnerability Type (View All)

  • Improper Link Resolution Before File Access ('Link Following') (CWE-59)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:apport_project:apport:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.18.1

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-1338
NVD Published Date:
10/01/2015
NVD Last Modified:
10/02/2015