Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2020-4032— Integer casting vulnerability in `update_recv_secondary_order` in FreeRDP

Quick assessment

Affected
FreeRDP FreeRDP
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.

FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 2.1.2之前版本中的update_recv_secondary_order存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 3.1 · Low EPSS 1.84% · P78

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2020-4032

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Integer casting vulnerability in `update_recv_secondary_order` in FreeRDP
Source: CVE Program / CVE List V5
Vulnerability Description
In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
数值类型间的不正确转换
Source: CVE Program / CVE List V5
Vulnerability Title
FreeRDP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 2.1.2之前版本中的update_recv_secondary_order存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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
FreeRDP FreeRDP < 2.1.2 -

II. Public POCs for CVE-2020-4032

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2020-4032

请登录查看更多情报信息。

Patches & Fixes for CVE-2020-4032 (1)

Vendor Advisories for CVE-2020-4032 (2)

Mailing List Discussions for CVE-2020-4032 (4)

Other References for CVE-2020-4032 (1)

Same Patch Batch · FreeRDP · 2020-06-22 · 9 CVEs total

CVE-2020-11095 3.5 LOW Global OOB read in update_recv_primary_order in FreeRDP
CVE-2020-11096 3.5 LOW Global OOB read in update_read_cache_bitmap_v3_order in FreeRDP
CVE-2020-11097 3.5 LOW OOB read in ntlm_av_pair_get in FreeRDP
CVE-2020-11098 3.5 LOW Out-of-bound read in glyph_cache_put in FreeRDP
CVE-2020-11099 3.5 LOW OOB Read in license_read_new_or_upgrade_license_packet in FreeRDP
CVE-2020-4030 3.5 LOW OOB read in `TrioParse` in FreeRDP
CVE-2020-4031 3.5 LOW Use-After-Free in gdi_SelectObject in FreeRDP
CVE-2020-4033 3.1 LOW OOB Read in RLEDECOMPRESS in FreeRDP

IV. Related Vulnerabilities

Same product: FreeRDP
Same vendor: FreeRDP
Same weakness: CWE-681

V. Comments for CVE-2020-4032

No comments yet

Leave a comment