Juniper Junos DHCPv6 Relay-Agent Service null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
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9.4 | $0-$5k | 0.00 |
A vulnerability was found in Juniper Junos (Router Operating System) (version now known). It has been rated as critical. This issue affects some unknown processing of the component DHCPv6 Relay-Agent Service. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability.
The weakness was released 10/17/2020 as JSA11049. It is possible to read the advisory at kb.juniper.net. The identification of this vulnerability is CVE-2020-1656. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.4
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/04/2019 🔍10/17/2020 🔍
10/17/2020 🔍
11/20/2020 🔍
Sources
Vendor: juniper.netAdvisory: JSA11049
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-1656 (🔍)
Entry
Created: 10/17/2020 10:25Updated: 11/20/2020 18:50
Changes: 10/17/2020 10:25 (38), 11/19/2020 08:07 (1), 11/20/2020 18:48 (3), 11/20/2020 18:50 (7)
Complete: 🔍
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