tcpdump up to 4.9.2 LDP Parser print-ldp.c ldp_tlv_print out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in tcpdump up to 4.9.2. Impacted is the function ldp_tlv_print of the file print-ldp.c of the component LDP Parser. The manipulation leads to out-of-bounds. This vulnerability is referenced as CVE-2018-14461. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in tcpdump up to 4.9.2 (Packet Analyzer Software). This issue affects the function ldp_tlv_print of the file print-ldp.c of the component LDP Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The LDP parser in tcpdump before 4.9.3 has a buffer over-read in print-ldp.c:ldp_tlv_print().

The weakness was published 10/03/2019 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-14461 since 07/20/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 4.9.3 eliminates this vulnerability.

Similar entries are available at VDB-142899, VDB-142898, VDB-142897 and VDB-142896. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tcpdump 4.9.3
Patch: github.com

Timelineinfo

07/20/2018 🔍
10/03/2019 +440 days 🔍
10/04/2019 +1 days 🔍
12/03/2025 +2252 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: aa5c6b710dfd8020d2c908d6b3bd41f1da719b3b
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-14461 (🔍)
GCVE (CVE): GCVE-0-2018-14461
GCVE (VulDB): GCVE-100-142895
See also: 🔍

Entryinfo

Created: 10/04/2019 08:48
Updated: 12/03/2025 22:28
Changes: 10/04/2019 08:48 (59), 09/21/2020 06:47 (1), 01/03/2024 06:58 (5), 01/03/2024 07:12 (1), 12/03/2025 22:28 (20)
Complete: 🔍
Cache ID: 216::103

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