CVE-2014-8768: Integer Underflow
First published: Thu Nov 20 2014(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux | =13.1 | |
| SUSE Linux | =13.2 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Oracle Solaris and Zettabyte File System (ZFS) | =11.2 | |
| Tcpdump | =4.5.0 | |
| Tcpdump | =4.5.1 | |
| Tcpdump | =4.5.2 | |
| Tcpdump | =4.6.0 | |
| Tcpdump | =4.6.1 | |
| Tcpdump | =4.6.2 | |
| SUSE Linux | =13.1 | |
| SUSE Linux | =13.2 |
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Reference Links
- 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
Frequently Asked Questions
What is the severity of CVE-2014-8768?
CVE-2014-8768 is classified as a medium severity vulnerability that can lead to a denial of service.
How do I fix CVE-2014-8768?
To fix CVE-2014-8768, upgrade tcpdump to versions 4.6.3 or later where the vulnerability has been patched.
Which versions of tcpdump are affected by CVE-2014-8768?
CVE-2014-8768 affects tcpdump versions from 4.5.0 to 4.6.2.
Can CVE-2014-8768 be exploited remotely?
Yes, CVE-2014-8768 can be exploited remotely by attackers sending crafted Geonet frames.
What type of attack does CVE-2014-8768 facilitate?
CVE-2014-8768 facilitates a denial of service attack resulting in tcpdump crashing due to segmentation faults.
- agent/type
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- agent/weakness
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- agent/author
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- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/opensuse
- canonical/suse linux
- version/suse linux/13.1
- version/suse linux/13.2
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/10.04
- version/ubuntu/12.04
- version/ubuntu/14.04
- version/ubuntu/14.10
- vendor/oracle
- canonical/oracle solaris and zettabyte file system (zfs)
- version/oracle solaris and zettabyte file system (zfs)/11.2
- vendor/redhat
- canonical/tcpdump
- version/tcpdump/4.5.0
- version/tcpdump/4.5.1
- version/tcpdump/4.5.2
- version/tcpdump/4.6.0
- version/tcpdump/4.6.1
- version/tcpdump/4.6.2