CVE-2016-7939: Buffer Overflow
First published: Sat Jan 28 2017(Updated: )
The GRE parser in tcpdump before 4.9.0 has a buffer overflow in print-gre.c, multiple functions.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tcpdump | <=4.8.1 |
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Reference Links
- http://www.debian.org/security/2017/dsa-3775
- http://www.securityfocus.com/bid/95852
- http://www.securitytracker.com/id/1037755
- https://access.redhat.com/errata/RHSA-2017:1871
- https://security.gentoo.org/glsa/201702-30
- https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1494526.html
- https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html
Frequently Asked Questions
What is the severity of CVE-2016-7939?
CVE-2016-7939 has a high severity due to the potential for remote code execution from a buffer overflow.
How do I fix CVE-2016-7939?
To fix CVE-2016-7939, upgrade tcpdump to version 4.9.0 or later.
What systems are affected by CVE-2016-7939?
CVE-2016-7939 affects tcpdump versions prior to 4.9.0, specifically up to version 4.8.1.
What type of vulnerability is CVE-2016-7939?
CVE-2016-7939 is a buffer overflow vulnerability in the GRE parser of tcpdump.
Is CVE-2016-7939 easily exploitable?
Yes, CVE-2016-7939 can be exploited easily by sending specially crafted GRE packets.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/author
- agent/last-modified-date
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/weakness
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/tcpdump
- canonical/tcpdump
- version/tcpdump/4.8.1