Treck TCP-IP Stack prior 5.0.1.35 IPv6 Packet out-of-bounds write

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8.2$0-$5k0.00

A vulnerability, which was classified as critical, was found in Treck TCP-IP Stack. This affects some unknown functionality. The manipulation as part of a IPv6 Packet leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-787. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets.

The weakness was disclosed 06/17/2020 as cisco-sa-treck-ip-stack-JyBQ5G as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2020-11897 since 04/19/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.0.1.35 eliminates this vulnerability.

The entries 156836, 156838, 156839 and 156840 are pretty similar.

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VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 10.0
NVD Vector: 🔒

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-787
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: TCP-IP Stack 5.0.1.35

Timelineinfoedit

04/19/2020 CVE assigned
06/17/2020 +59 days Advisory disclosed
06/18/2020 +1 days VulDB entry created
10/24/2020 +128 days VulDB last update

Sourcesinfoedit

Advisory: cisco-sa-treck-ip-stack-JyBQ5G
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-11897 (🔒)
See also: 🔒

Entryinfoedit

Created: 06/18/2020 08:16 AM
Updated: 10/24/2020 08:54 PM
Changes: (1) advisory_confirm_url
Complete: 🔍

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