Vulnerability · Published Aug 1, 2022 · Assigned by mitre
CVE-2022-27255
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 36.7% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)36.7%top 1.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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.
Affected products (as reported)
References
- https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf x_refsource_MISC
- https://forum.defcon.org/node/241835 x_refsource_MISC