CVE-2022-23480— Buffer Overflow in xrdp
Quick assessment
Affected
neutrinolabs xrdp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
xrdp是Neutrinolabs实验室的一款开源远程桌面协议服务器。 xrdp v0.9.21之前版本存在安全漏洞，该漏洞源于在devredir_proc_client_devlist_announce_req()函数中包含缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-23480
Vulnerability Information
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Vulnerability Title
Buffer Overflow in xrdp
Source: CVE Program / CVE List V5
Vulnerability Description
xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP).
xrdp < v0.9.21 contain a buffer over flow in devredir_proc_client_devlist_announce_req() function. There are no known workarounds for this issue. Users are advised to upgrade.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
xrdp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xrdp是Neutrinolabs实验室的一款开源远程桌面协议服务器。 xrdp v0.9.21之前版本存在安全漏洞，该漏洞源于在devredir_proc_client_devlist_announce_req()函数中包含缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| neutrinolabs | xrdp | < 0.9.21 | - |
|
II. Public POCs for CVE-2022-23480
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-23480 (2)
-
https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-3jmx-f6hv-95wg x_refsource_CONFIRM
Same Patch Batch · neutrinolabs · 2022-12-09 · 10 CVEs total
| CVE-2022-23477 | 9.1 CRITICAL | Buffer Overflow in xrdp |
| CVE-2022-23478 | 9.1 CRITICAL | Out of Bound Write in xrdp |
| CVE-2022-23479 | 9.1 CRITICAL | Buffer Overflow occurs in xrdp |
| CVE-2022-23493 | 9.1 CRITICAL | Out of Bound Read in xrdp |
| CVE-2022-23484 | 8.2 HIGH | Integer Overflow in xrdp |
| CVE-2022-23483 | 7.5 HIGH | Out-of-Bound Read in libxrdp |
| CVE-2022-23468 | 6.5 MEDIUM | Buffer Overflow in xrdp |
| CVE-2022-23481 | Out-of-Bound Read in xrdp | |
| CVE-2022-23482 | Out-of-Bound Read in xrdp |
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Same weakness: CWE-120
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V. Comments for CVE-2022-23480
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