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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.ubuntu.com/usn/USN-2744-1 ↗
- https://launchpad.net/apport/trunk/2.19 ↗
- https://www.exploit-db.com/exploits/38353/ ↗
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1492570 ↗
- http://www.halfdog.net/Security/2015/ApportKernelCrashdumpFileAccessVulnerabilities/ ↗
- http://seclists.org/fulldisclosure/2015/Sep/101 ↗
- http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html ↗