CVE-2022-23493— Out of Bound Read in xrdp
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I. Basic Information for CVE-2022-23493
Vulnerability Information
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Vulnerability Title
Out of Bound Read in xrdp
Source: NVD (National Vulnerability Database)
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 Out of Bound Read in xrdp_mm_trans_process_drdynvc_channel_close() function. There are no known workarounds for this issue. Users are advised to upgrade.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
xrdp 缓冲区错误漏洞
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之前版本存在缓冲区错误漏洞，该漏洞源于在xrdp_mm_trans_process_drdynvc_channel_close()函数中包含越界读取。
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-2022-23493
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-59wp-3wq6-jh5vx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2022-23493
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-2022-23480 | 9.1 CRITICAL | Buffer Overflow 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 |
IV. Related Vulnerabilities
Same product: xrdp
- CVE-2026-35512
xrdp: Heap buffer overflow in EGFX channel - CVE-2026-33689
xrdp: Pre-authentication out-of-bounds reads in channel pars - CVE-2026-33145
xrdp: Authenticated RCE via unsanitized AlternateShell execu - CVE-2026-32624
xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() - CVE-2026-33516
xrdp: Pre-authentication out-of-bounds reads in RDP capabili
Same vendor: neutrinolabs
- CVE-2026-35512
xrdp: Heap buffer overflow in EGFX channel - CVE-2026-33689
xrdp: Pre-authentication out-of-bounds reads in channel pars - CVE-2026-33145
xrdp: Authenticated RCE via unsanitized AlternateShell execu - CVE-2026-32624
xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() - CVE-2026-33516
xrdp: Pre-authentication out-of-bounds reads in RDP capabili
Same weakness: CWE-125
- CVE-2026-8177
XML::LibXML versions through 2.0210 for Perl read out-of-bou - CVE-2026-6104
Global buffer over-read in mb_convert_encoding() with attack - CVE-2026-7258
Out-of-bounds read in urldecode() on NetBSD - CVE-2026-8186
Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out- - CVE-2026-3508
ASUS System Control Interface 缓冲区错误漏洞
V. Comments for CVE-2022-23493
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