CVE-2022-27255

critical · 9.8

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.

9.8

CVSS

37.1%

EPSS (exploit prob.)

98th

EPSS percentile

2022-08-01

Published

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

Weaknesses

CWE-20

Affected products

Vendor	Product	Affected versions
realtek	ecos_rsdk_firmware	1.5.7p1
realtek	ecos_rsdk	all versions
realtek	ecos_msdk_firmware	4.9.4p1
realtek	ecos_msdk	all versions

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2022-27255