VDB-162839 · CVE-2020-24266 · GCVE-0-2020-24266

tcpreplay tcpprep 4.3.3 get_l2len heap-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in tcpreplay tcpprep 4.3.3. It has been classified as problematic. The affected element is the function get_l2len. The manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2020-24266. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in tcpreplay tcpprep 4.3.3. This issue affects the function get_l2len. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is availability.

The weakness was shared 10/19/2020. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-24266. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

tcpreplay

Name

tcpprep

Version

4.3.3

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
10/19/2020 +67 days 🔍
10/19/2020 +0 days 🔍
11/21/2020 +33 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-24266 (🔍)
GCVE (CVE): GCVE-0-2020-24266
GCVE (VulDB): GCVE-100-162839

Entryinfo

Created: 10/19/2020 20:06
Updated: 11/21/2020 01:53
Changes: 10/19/2020 20:06 (35), 11/19/2020 08:10 (4), 11/21/2020 01:49 (2), 11/21/2020 01:53 (14)
Complete: 🔍
Cache ID: 216::103