Cisco ASR 5000 up to 19.3 GTPv1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability, which was classified as critical, was found in Cisco ASR 5000 up to 19.3 (Router Operating System). This affects an unknown function of the component GTPv1. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

The General Packet Radio Switching Tunneling Protocol 1 (aka GTPv1) implementation on Cisco ASR 5000 Packet Data Network Gateway devices before 19.4 allows remote attackers to cause a denial of service (Session Manager process restart) via a crafted GTPv1 packet, aka Bug ID CSCuz46198.

The weakness was published 06/23/2016 as CSCuz46198 as not defined advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2016-1436 since 01/04/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 19.4 eliminates this vulnerability.

Productinfo

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Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

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: 🔍
Upgrade: ASR 5000 19.4

Timelineinfo

01/04/2016 🔍
06/22/2016 +170 days 🔍
06/23/2016 +1 days 🔍
06/23/2016 +0 days 🔍
08/24/2022 +2253 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuz46198
Status: Not defined

CVE: CVE-2016-1436 (🔍)
SecurityTracker: 1036152

Entryinfo

Created: 06/23/2016 11:39
Updated: 08/24/2022 14:26
Changes: 06/23/2016 11:39 (52), 02/09/2019 10:52 (8), 08/24/2022 14:26 (4)
Complete: 🔍

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