Juniper SBR Carrier EAP Authentication stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Juniper SBR Carrier. Affected is an unknown function of the component EAP Authentication Handler. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2021-0276. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Juniper SBR Carrier (affected version unknown). Affected by this issue is an unknown functionality of the component EAP Authentication Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was published 07/16/2021 as JSA11180. The advisory is shared for download at kb.juniper.net. This vulnerability is handled as CVE-2021-0276. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/16/2021).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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 🔍
07/16/2021 +261 days 🔍
07/16/2021 +0 days 🔍
07/19/2021 +3 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11180
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-0276 (🔍)
GCVE (CVE): GCVE-0-2021-0276
GCVE (VulDB): GCVE-100-178760

Entryinfo

Created: 07/16/2021 09:36
Updated: 07/19/2021 11:23
Changes: 07/16/2021 09:36 (37), 07/19/2021 11:16 (3), 07/19/2021 11:23 (1)
Complete: 🔍
Cache ID: 216::103

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