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9.8
CRITICAL CVSS 3.0
CVE-2017-12894
Tcpdump DNS Resource Record Over-Read Vulnerability
Description

Several protocol parsers in tcpdump before 4.9.2 could cause a buffer over-read in addrtoname.c:lookup_bytestring().

INFO

Published Date :

Sept. 14, 2017, 6:29 a.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2017-12894 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tcpdump tcpdump
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 CRITICAL [email protected]
Solution
This vulnerability can be remediated by upgrading the tcpdump package to a patched version.
  • Update the affected tcpdump package.
  • Upgrade to the latest version of tcpdump.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-12894.

URL Resource
http://www.debian.org/security/2017/dsa-3971
http://www.securitytracker.com/id/1039307
http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/the-tcpdump-group/tcpdump/commit/730fc35968c5433b9e2a829779057f4f9495dc51 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221
http://www.debian.org/security/2017/dsa-3971
http://www.securitytracker.com/id/1039307
http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
https://access.redhat.com/errata/RHEA-2018:0705
https://github.com/the-tcpdump-group/tcpdump/commit/730fc35968c5433b9e2a829779057f4f9495dc51 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201709-23
https://support.apple.com/HT208221
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12894 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-12894 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-12894 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2017-12894 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2017/dsa-3971
    Added Reference http://www.securitytracker.com/id/1039307
    Added Reference http://www.tcpdump.org/tcpdump-changes.txt
    Added Reference https://access.redhat.com/errata/RHEA-2018:0705
    Added Reference https://github.com/the-tcpdump-group/tcpdump/commit/730fc35968c5433b9e2a829779057f4f9495dc51
    Added Reference https://security.gentoo.org/glsa/201709-23
    Added Reference https://support.apple.com/HT208221
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-119 CWE-125
  • CVE Modified by [email protected]

    May. 17, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHEA-2018:0705 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 14, 2017

    Action Type Old Value New Value
    Added Reference https://support.apple.com/HT208221 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 06, 2017

    Action Type Old Value New Value
    Added Reference http://www.debian.org/security/2017/dsa-3971 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 27, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201709-23 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 15, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039307 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 14, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/the-tcpdump-group/tcpdump/commit/730fc35968c5433b9e2a829779057f4f9495dc51 No Types Assigned https://github.com/the-tcpdump-group/tcpdump/commit/730fc35968c5433b9e2a829779057f4f9495dc51 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type http://www.tcpdump.org/tcpdump-changes.txt No Types Assigned http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:tcpdump:tcpdump:4.9.1:*:*:*:*:*:*:* (and previous)
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.12 }} 0.51%

score

0.77308

percentile