by Kastro
Paper/Archive/CVE-2022-27255

CVE-2022-27255

mitre — 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.

EPSS 37%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 98.5.985 × 2019.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refrealtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdfrefforum.defcon.org/node/241835