tcpreplay up to 4.3.2 tcprewrite common/get.c get_ipv6_next out-of-bounds

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 (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in tcpreplay up to 4.3.2 and classified as critical. The impacted element is the function get_ipv6_next of the file common/get.c of the component tcprewrite. Executing a manipulation can lead to out-of-bounds. This vulnerability is tracked as CVE-2020-12740. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in tcpreplay up to 4.3.2. It has been declared as critical. This vulnerability affects the function get_ipv6_next of the file common/get.c of the component tcprewrite. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.

The weakness was disclosed 05/08/2020. This vulnerability was named CVE-2020-12740 since 05/08/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details 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.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 9.1
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/08/2020 🔍
05/08/2020 +0 days 🔍
05/09/2020 +1 days 🔍
05/09/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-12740 (🔍)
GCVE (CVE): GCVE-0-2020-12740
GCVE (VulDB): GCVE-100-154942

Entryinfo

Created: 05/09/2020 14:38
Updated: 05/09/2020 14:43
Changes: 05/09/2020 14:38 (36), 05/09/2020 14:43 (17)
Complete: 🔍
Cache ID: 216::103

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