CVE-2015-1338

Published: Oct 1, 2015Modified: May 6, 2026

7.2

Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability: 3.9 / Impact: 10.0

Source: NVD

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.

Affected (4)

Products: Apport Project: Apport · Canonical: Ubuntu Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Apport Project Apport	Up to 2.18.1

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 12.04
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 15.04

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (14)

http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html

Source: security@ubuntu.com

Exploit

http://seclists.org/fulldisclosure/2015/Sep/101

Source: security@ubuntu.com

http://www.halfdog.net/Security/2015/ApportKernelCrashdumpFileAccessVulnerabilities/

Source: security@ubuntu.com

Exploit

http://www.ubuntu.com/usn/USN-2744-1

Source: security@ubuntu.com

https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1492570

Source: security@ubuntu.com

https://launchpad.net/apport/trunk/2.19

Source: security@ubuntu.com

Patch

https://www.exploit-db.com/exploits/38353/

Source: security@ubuntu.com

Exploit

http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html