Juniper Junos OS on SRX Packet Forwarding Engine buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Juniper Junos OS on SRX and classified as critical. Affected by this issue is some unknown functionality of the component Packet Forwarding Engine. Performing a manipulation results in buffer overflow. This vulnerability is reported as CVE-2021-0249. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Juniper Junos OS on SRX (Router Operating System) (the affected version unknown). This affects an unknown part of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 04/23/2021 as JSA11142. The advisory is shared at kb.juniper.net. This vulnerability is uniquely identified as CVE-2021-0249. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/29/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Buffer overflow
CWE: CWE-120 / 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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2020 🔍
04/23/2021 +177 days 🔍
04/23/2021 +0 days 🔍
04/29/2021 +6 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11142
Status: Confirmed

CVE: CVE-2021-0249 (🔍)
GCVE (CVE): GCVE-0-2021-0249
GCVE (VulDB): GCVE-100-173757

Entryinfo

Created: 04/23/2021 07:39
Updated: 04/29/2021 08:46
Changes: 04/23/2021 07:39 (39), 04/27/2021 12:41 (5), 04/27/2021 12:48 (1), 04/29/2021 08:46 (18)
Complete: 🔍
Cache ID: 216::103

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