tcpdump up to 4.9.1 Protocol Parser util-print.c bittok2str_internal memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in tcpdump up to 4.9.1. This vulnerability affects the function bittok2str_internal of the file util-print.c of the component Protocol Parser. The manipulation results in memory corruption. This vulnerability is identified as CVE-2017-13011. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in tcpdump up to 4.9.1 (Packet Analyzer Software). Affected is the function bittok2str_internal of the file util-print.c of the component Protocol Parser. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Several protocol parsers in tcpdump before 4.9.2 could cause a buffer overflow in util-print.c:bittok2str_internal().

The bug was discovered 09/11/2017. The weakness was released 09/14/2017 (Website). The advisory is available at securitytracker.com. This vulnerability is traded as CVE-2017-13011 since 08/21/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103257 (Debian DLA-1097-1 : tcpdump security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170416 (SUSE Enterprise Linux Security Update for tcpdump (SUSE-SU-2017:2690-1)).

Upgrading to version 4.9.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103257). Entries connected to this vulnerability are available at VDB-21822, VDB-21823, VDB-106590 and VDB-106591. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103257
Nessus Name: Debian DLA-1097-1 : tcpdump security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53377
OpenVAS Name: Debian Security Advisory DSA 3971-1 (tcpdump - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tcpdump 4.9.2
Patch: github.com

Timelineinfo

08/21/2017 🔍
09/11/2017 +21 days 🔍
09/14/2017 +3 days 🔍
09/14/2017 +0 days 🔍
09/14/2017 +0 days 🔍
09/15/2017 +1 days 🔍
09/18/2017 +3 days 🔍
12/28/2022 +1927 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: 9f0730bee3eb65d07b49fd468bc2f269173352fe⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-13011 (🔍)
GCVE (CVE): GCVE-0-2017-13011
GCVE (VulDB): GCVE-100-106626

OVAL: 🔍

SecurityTracker: 1039307

See also: 🔍

Entryinfo

Created: 09/14/2017 17:25
Updated: 12/28/2022 18:20
Changes: 09/14/2017 17:25 (78), 11/16/2019 09:51 (2), 01/12/2021 17:52 (2), 12/28/2022 18:20 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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