tcpdump 4.6.2 PPP Dissector memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in tcpdump 4.6.2. It has been rated as critical. This impacts an unknown function of the component PPP Dissector. This manipulation causes memory corruption. This vulnerability is handled as CVE-2014-9140. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in tcpdump 4.6.2 (Packet Analyzer Software) and classified as critical. Affected by this vulnerability is an unknown function of the component PPP Dissector. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the ppp_hdlc function in print-ppp.c in tcpdump 4.6.2 and earlier allows remote attackers to cause a denial of service (crash) cia a crafted PPP packet.

The weakness was released 11/18/2014 by Steffen Bauch (Website). The advisory is shared at ubuntu.com. This vulnerability is known as CVE-2014-9140 since 11/28/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82425 (openSUSE Security Update : tcpdump (openSUSE-2015-267)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195695 (Ubuntu Security Notification for Tcpdump Vulnerabilities (USN-2433-1)).

Upgrading to version 4.7.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (99124), Tenable (82425), SecurityFocus (BID 71468†) and Vulnerability Center (SBV-52173†). Entries connected to this vulnerability are available at VDB-68218 and VDB-68220. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 82425
Nessus Name: openSUSE Security Update : tcpdump (openSUSE-2015-267)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703086
OpenVAS Name: Debian Security Advisory DSA 3086-1 (tcpdump - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tcpdump 4.7.0
Patch: github.com

Timelineinfo

11/18/2014 🔍
11/18/2014 +0 days 🔍
11/18/2014 +0 days 🔍
11/28/2014 +10 days 🔍
12/05/2014 +7 days 🔍
12/05/2014 +0 days 🔍
03/30/2015 +115 days 🔍
08/18/2015 +141 days 🔍
02/27/2022 +2385 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: USN-2433-1
Researcher: Steffen Bauch
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9140 (🔍)
GCVE (CVE): GCVE-0-2014-9140
GCVE (VulDB): GCVE-100-68341

OVAL: 🔍

X-Force: 99124 - tcpdump PPP dissectory buffer overflow, High Risk
SecurityFocus: 71468 - tcpdump CVE-2014-9140 Buffer Overflow Vulnerability
Vulnerability Center: 52173 - RedHat tcpdump <=4.6.2 Remote DoS via a Crafted PPP Packet, Medium

See also: 🔍

Entryinfo

Created: 12/05/2014 09:38
Updated: 02/27/2022 14:56
Changes: 12/05/2014 09:38 (71), 10/24/2017 09:39 (7), 02/27/2022 14:54 (4), 02/27/2022 14:56 (1)
Complete: 🔍
Cache ID: 216:E24:103

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