CVE-2015-1338
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Apport 2.19 (Ubuntu 15.04) - Local Privilege Escalation
OS impact
Ubuntu Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.04 | Affected | โ |
| 14.04 | Affected | โ |
| 12.04 | Affected | โ |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| apport_project | apport | {"endIncluding":"2.18.1"} | |
References
- http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html
- http://seclists.org/fulldisclosure/2015/Sep/101
- http://www.halfdog.net/Security/2015/ApportKernelCrashdumpFileAccessVulnerabilities/
- http://www.ubuntu.com/usn/USN-2744-1
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1492570
- https://launchpad.net/apport/trunk/2.19
- https://www.exploit-db.com/exploits/38353/
- http://packetstormsecurity.com/files/133723/Ubuntu-Apport-kernel_crashdump-Symlink.html
- http://seclists.org/fulldisclosure/2015/Sep/101
- http://www.halfdog.net/Security/2015/ApportKernelCrashdumpFileAccessVulnerabilities/
- http://www.ubuntu.com/usn/USN-2744-1
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1492570
- https://launchpad.net/apport/trunk/2.19
- https://www.exploit-db.com/exploits/38353/
CWEs
CWE-59
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.