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9.8
CRITICAL CVSS 3.1
CVE-2017-12896
Tcpdump ISAKMP Buffer Over-read
Description

The ISAKMP parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:isakmp_rfc3948_print().

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-2017-12896 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 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_server_aus
1 Debian debian_linux
1 Tcpdump tcpdump
: Total Affected Vendor : 3 | Products : 5
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 3.1 CRITICAL [email protected]
Solution
This vulnerability can be mitigated by updating tcpdump or applying an interim fix.
  • Update the tcpdump package.
  • Install the appropriate interim fix if applicable.
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-2017-12896.

URL Resource
http://www.debian.org/security/2017/dsa-3971 Third Party Advisory
http://www.securitytracker.com/id/1039307 Third Party Advisory VDB Entry
http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
https://access.redhat.com/errata/RHEA-2018:0705 Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 Issue Tracking Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201709-23 Third Party Advisory
https://support.apple.com/HT208221 Third Party Advisory
http://www.debian.org/security/2017/dsa-3971 Third Party Advisory
http://www.securitytracker.com/id/1039307 Third Party Advisory VDB Entry
http://www.tcpdump.org/tcpdump-changes.txt Vendor Advisory
https://access.redhat.com/errata/RHEA-2018:0705 Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 Issue Tracking Third Party Advisory
https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201709-23 Third Party Advisory
https://support.apple.com/HT208221 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-12896 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-2017-12896 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-2017-12896 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-2017-12896 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/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2
    Added Reference https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771
    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
  • Modified Analysis by [email protected]

    Oct. 23, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.debian.org/security/2017/dsa-3971 No Types Assigned http://www.debian.org/security/2017/dsa-3971 Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1039307 No Types Assigned http://www.securitytracker.com/id/1039307 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHEA-2018:0705 No Types Assigned https://access.redhat.com/errata/RHEA-2018:0705 Third Party Advisory
    Changed Reference Type https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 Issue Tracking, Patch, Third Party Advisory https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 Issue Tracking, Third Party Advisory
    Changed Reference Type https://security.gentoo.org/glsa/201709-23 No Types Assigned https://security.gentoo.org/glsa/201709-23 Third Party Advisory
    Changed Reference Type https://support.apple.com/HT208221 No Types Assigned https://support.apple.com/HT208221 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
  • 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/f76e7feb41a4327d2b0978449bbdafe98d4a3771 No Types Assigned https://github.com/the-tcpdump-group/tcpdump/commit/f76e7feb41a4327d2b0978449bbdafe98d4a3771 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
    Changed Reference Type https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 No Types Assigned https://github.com/the-tcpdump-group/tcpdump/commit/4e430c6b0d8b7e77c7abca7e7afb0c3e727502f2 Issue Tracking, Patch, Third Party 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.

2.06 }} 1.05%

score

0.83175

percentile