Pengutronix RAUC Update Client up to 1.4 Signature Verification install.c toctou

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Pengutronix RAUC Update Client up to 1.4. This affects an unknown part of the file install.c of the component Signature Verification Handler. Executing a manipulation can lead to toctou. This vulnerability is registered as CVE-2020-25860. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Pengutronix RAUC Update Client up to 1.4 and classified as critical. This vulnerability affects some unknown functionality of the file install.c of the component Signature Verification Handler. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 12/21/2020. The advisory is available at vdoo.com. This vulnerability was named CVE-2020-25860. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

12/21/2020 🔍
12/21/2020 +0 days 🔍
12/21/2020 +0 days 🔍

Sourcesinfo

Advisory: vdoo.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-25860 (🔍)
GCVE (CVE): GCVE-0-2020-25860
GCVE (VulDB): GCVE-100-166630

Entryinfo

Created: 12/21/2020 22:25
Changes: 12/21/2020 22:25 (39)
Complete: 🔍
Cache ID: 216::103

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