CVE-2022-27255 - Vulnerability Details - OpenCVE

Description

In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data.

Published: 2022-08-01

Score: 9.8 Critical

EPSS: 15.2% Moderate

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:realtek:ecos_rsdk_firmware:1.5.7p1:*:*:*:*:*:*:*

cpe:2.3:h:realtek:ecos_rsdk:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:realtek:ecos_msdk_firmware:4.9.4p1:*:*:*:*:*:*:*

cpe:2.3:h:realtek:ecos_msdk:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.15161.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://forum.defcon.org/node/241835
https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf

History

No history.

Subscriptions

Realtek Ecos Msdk Ecos Msdk Firmware Ecos Rsdk Ecos Rsdk Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-08-01T11:43:25.000Z

Updated: 2024-08-03T05:25:32.604Z

Reserved: 2022-03-20T00:00:00.000Z

Link: CVE-2022-27255

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-08-01T12:15:08.357

Modified: 2024-11-21T06:55:30.270

Link: CVE-2022-27255

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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