ZTE ZXR10 8905E V3.03.10.B23P2 TCP ISN 7pk security

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in ZTE ZXR10 8905E V3.03.10.B23P2. This impacts an unknown function of the component TCP ISN Handler. Executing a manipulation can lead to 7pk security. This vulnerability appears as CVE-2018-7356. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in ZTE ZXR10 8905E V3.03.10.B23P2. This vulnerability affects an unknown part of the component TCP ISN Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

All versions up to V3.03.10.B23P2 of ZTE ZXR10 8905E product are impacted by TCP Initial Sequence Number (ISN) reuse vulnerability, which can generate easily predictable ISN, and allows remote attackers to spoof connections.

The bug was discovered 11/02/2018. The weakness was presented 10/31/2018 (Website). The advisory is shared for download at support.zte.com.cn. This vulnerability was named CVE-2018-7356 since 02/21/2018. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
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: 7pk security
CWE: CWE-254
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

02/21/2018 🔍
10/31/2018 +252 days 🔍
11/01/2018 +0 days 🔍
11/01/2018 +0 days 🔍
11/02/2018 +1 days 🔍
04/09/2020 +524 days 🔍

Sourcesinfo

Vendor: zte.com.cn

Advisory: support.zte.com.cn
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7356 (🔍)
GCVE (CVE): GCVE-0-2018-7356
GCVE (VulDB): GCVE-100-126388

Entryinfo

Created: 11/01/2018 14:55
Updated: 04/09/2020 14:49
Changes: 11/01/2018 14:55 (55), 04/09/2020 14:49 (2)
Complete: 🔍
Cache ID: 216::103

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