CVE-2022-27255
Realtek eCos RSDK MDLP Stack-Based Buffer Overflow
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.
INFO
Published Date :
Aug. 1, 2022, 12:15 p.m.
Last Modified :
Nov. 21, 2024, 6:55 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
                                            The following products are affected by CVE-2022-27255
                                            vulnerability.
                                            Even if cvefeed.io is aware of the exact versions of the
                                            products
                                            that
                                            are
                                            affected, the information is not represented in the table below.
                                        
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | 
Public PoC/Exploit Available at Github
                                            CVE-2022-27255 has a 20 public
                                            PoC/Exploit available at Github.
                                            Go to the Public Exploits tab to see the list.
                                        
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2022-27255.
                                        
| URL | Resource | 
|---|---|
| https://forum.defcon.org/node/241835 | Third Party Advisory | 
| https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf | Vendor Advisory | 
| https://forum.defcon.org/node/241835 | Third Party Advisory | 
| https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf | Vendor Advisory | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2022-27255 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2022-27255
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Forked from https://github.com/0xor0ne/awesome-list.git
Forked from https://github.com/0xor0ne/awesome-list.git
list of cve from 2001 to 2024
Python
None
None
Slides and other reference material for RVASec 2024 presentation
Latest CVEs with their Proof of Concept exploits.
Python
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
None
None
Shell
None
Shell
None
Collect some iot-related security articles, including vulnerability analysis, security conferences and papers, etc.
iot-security
None
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2022-27255 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2022-27255 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            CVE Modified by af854a3a-2127-422b-91ae-364da2661108Nov. 21, 2024 Action Type Old Value New Value Added Reference https://forum.defcon.org/node/241835 Added Reference https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf 
- 
                            CVE Modified by [email protected]May. 14, 2024 Action Type Old Value New Value 
- 
                            Modified Analysis by [email protected]Sep. 30, 2022 Action Type Old Value New Value Changed Reference Type https://forum.defcon.org/node/241835 No Types Assigned https://forum.defcon.org/node/241835 Third Party Advisory 
- 
                            CVE Modified by [email protected]Sep. 02, 2022 Action Type Old Value New Value Removed Reference https://source.android.com/security/bulletin/2022-06-01 [Not Applicable] Added Reference https://forum.defcon.org/node/241835 [No Types Assigned] 
- 
                            Initial Analysis by [email protected]Aug. 08, 2022 Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://source.android.com/security/bulletin/2022-06-01 No Types Assigned https://source.android.com/security/bulletin/2022-06-01 Not Applicable Changed Reference Type https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf No Types Assigned https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration AND OR *cpe:2.3:o:realtek:ecos_rsdk_firmware:1.5.7p1:*:*:*:*:*:*:* OR cpe:2.3:h:realtek:ecos_rsdk:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:realtek:ecos_msdk_firmware:4.9.4p1:*:*:*:*:*:*:* OR cpe:2.3:h:realtek:ecos_msdk:-:*:*:*:*:*:*:* 
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
25.78 }} -3.95%
score
0.96062
percentile
 
                         
                         
                         
                                             
                                            