OpenBSD 6.0/7.0 slaacd engine.c buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenBSD 6.0/7.0. The affected element is an unknown function of the file engine.c of the component slaacd. Such manipulation leads to buffer overflow. This vulnerability is documented as CVE-2022-27881. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenBSD 6.0/7.0 (Operating System). Affected by this issue is some unknown functionality of the file engine.c of the component slaacd. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 03/26/2022. The advisory is available at blog.quarkslab.com. This vulnerability is handled as CVE-2022-27881 since 03/25/2022. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/25/2022 🔍
03/26/2022 +1 days 🔍
03/26/2022 +0 days 🔍
03/27/2022 +1 days 🔍

Sourcesinfo

Advisory: blog.quarkslab.com
Status: Confirmed

CVE: CVE-2022-27881 (🔍)
GCVE (CVE): GCVE-0-2022-27881
GCVE (VulDB): GCVE-100-195806

Entryinfo

Created: 03/26/2022 08:11
Updated: 03/27/2022 13:36
Changes: 03/26/2022 08:11 (39), 03/27/2022 13:36 (1)
Complete: 🔍
Cache ID: 216::103

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