tcpdump up to 4.9.2 BGP Parser print-bgp.c bgp_attr_print recursion

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in tcpdump up to 4.9.2. Affected by this issue is the function bgp_attr_print of the file print-bgp.c of the component BGP Parser. The manipulation leads to recursion. This vulnerability is listed as CVE-2018-16300. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in tcpdump up to 4.9.2 (Packet Analyzer Software). This issue affects the function bgp_attr_print of the file print-bgp.c of the component BGP Parser. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability. The summary by CVE is:

The BGP parser in tcpdump before 4.9.3 allows stack consumption in print-bgp.c:bgp_attr_print() because of unlimited recursion.

The weakness was presented 10/03/2019 (GitHub Repository). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-16300 since 08/31/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 4.9.3 eliminates this vulnerability.

See VDB-142916, VDB-142915, VDB-142912 and VDB-142911 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
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

08/31/2018 🔍
10/03/2019 +398 days 🔍
10/04/2019 +1 days 🔍
12/03/2025 +2252 days 🔍

Sourcesinfo

Product: tcpdump.org

Advisory: af2cf04a9394c1a56227c2289ae8da262828294a
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16300 (🔍)
GCVE (CVE): GCVE-0-2018-16300
GCVE (VulDB): GCVE-100-142913
See also: 🔍

Entryinfo

Created: 10/04/2019 08:59
Updated: 12/03/2025 21:26
Changes: 10/04/2019 08:59 (59), 09/21/2020 09:23 (1), 01/03/2024 09:00 (5), 01/03/2024 09:03 (1), 12/03/2025 21:26 (20)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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