Vulnerability Monitor

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CVE-2022-27255

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

2022-08-01T12:15:08.357

Last Modified

2024-11-21T06:55:30.270

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System realtek ecos_rsdk_firmware 1.5.7p1 Yes
Hardware realtek ecos_rsdk - No
Operating System realtek ecos_msdk_firmware 4.9.4p1 Yes
Hardware realtek ecos_msdk - No
References