Is CVE-2016-7992 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2016-7992 being exploited in the wild.

How severe is CVE-2016-7992?

Critical severity, with a CVSS score of 9.8, published 28 January 2017.

Which products and versions are affected?

Tcpdump Project tcpdump before 4.9.0.

Is there a fix for CVE-2016-7992?

A patch was published on 2017-01-26: Fixed in upstream version 4.9.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2016-7992 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2016-7992?

Check whether you run Tcpdump. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2016-7992: Tcpdump buffer overflow in Classical IP over ATM parser

CVE-2016-7992 · Severity: critical · CVSS 9.8 · Published 2017-01-28

A vulnerability exists in tcpdump, a widely used tool for monitoring and analyzing network traffic. By sending specially crafted network packets, an attacker could cause the tool to crash or potentially execute unauthorized code on the system running the analysis. This could lead to a disruption of network monitoring services or a full system compromise.

Technologies: Tcpdump. Vendors: Tcpdump.

Quick answers

Is CVE-2016-7992 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2016-7992 being exploited in the wild.
How severe is CVE-2016-7992?: Critical severity, with a CVSS score of 9.8, published 28 January 2017.
Which products and versions are affected?: Tcpdump Project tcpdump before 4.9.0.
Is there a fix for CVE-2016-7992?: A patch was published on 2017-01-26: Fixed in upstream version 4.9.0 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2016-7992 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2016-7992?: Check whether you run Tcpdump. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A buffer overflow vulnerability exists in the Classical IP over ATM (CIP) parser within tcpdump versions prior to 4.9.0. The flaw is located in the cip_if_print() function in print-cip.c. A remote attacker can exploit this by sending specially crafted network packets or providing a malicious pcap file for analysis. Successful exploitation can lead to a denial of service (application crash) or arbitrary code execution with the privileges of the user running tcpdump. The issue was addressed in version 4.9.0 by improving bounds checking during packet parsing.

Affected products

Tcpdump Project tcpdump before 4.9.0

Timeline

2017-01-26: patched: Fixed in upstream version 4.9.0
2017-01-28: disclosed: NVD publication date

References

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