CVE-2014-8768
Description
Multiple Integer underflows in the geonet_print function in tcpdump 4.5.0 through 4.6.2, when in verbose mode, allow remote attackers to cause a denial of service (segmentation fault and crash) via a crafted length value in a Geonet frame.
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → 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
tcpdump 4.6.2 - Geonet Decoder Denial of Service
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
| ubuntu | 10.04 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
| debian | bookworm | fixed | 4.6.2-2 |
| debian | bullseye | fixed | 4.6.2-2 |
| debian | forky | fixed | 4.6.2-2 |
| debian | sid | fixed | 4.6.2-2 |
| debian | trixie | fixed | 4.6.2-2 |
References
- http://lists.opensuse.org/opensuse-updates/2015-02/msg00062.html
- http://packetstormsecurity.com/files/129156/tcpdump-4.6.2-Geonet-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2014/Nov/48
- http://www.exploit-db.com/exploits/35359
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/archive/1/534010/100/0/threaded
- http://www.securityfocus.com/bid/71155
- http://www.ubuntu.com/usn/USN-2433-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98766
- https://security-tracker.debian.org/tracker/CVE-2014-8768
CWEs
CWE-191
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.