Curl Use-After-Free < 7.87 (CVE-2022-43552)

[TravisG]

I was just curious on how people are patching curl? I thought Microsoft might be releasing a patch for this but I have not seen anything yet.

Curl Use-After-Free < 7.87 (CVE-2022-43552)
Synopsis
The remote Windows host has a program that is affected by a use-after-free vulnerability.

Description
The version of Curl installed on the remote host is prior to 7.87.0. It is therefore affected by a use-after-free vulnerability. Curl can be asked to tunnel virtually all protocols it supports through an HTTP proxy. HTTP proxies can (and often do) deny such tunnel operations. When getting denied to tunnel the specific protocols SMB or TELNET, curl would use a heap-allocated struct after it had been freed, in its transfer shutdown code path.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution
Upgrade Curl to version 7.87.0 or later

See Also
Links:
curl.se

[Ben Whitmore (Patch My PC)]

Hey, Travis,

Curl 8.0.1.0 is released to address the vulnerability in the April 2023 Microsoft CU Update to patch the binary located at %WinDir%\System32\curl.exe

W10 - KB5025221 - https://download.microsoft.com/download/0/2/b/02b93c21-7843-4a94-95d3-72f8f8963721/5025221.csv
W11 - KB5025224 - https://download.microsoft.com/download/0/e/2/0e293c38-5a37-405a-9d88-d5f2b26a33d8/5025224.csv

[TravisG]

Thanks Ben for the update. Do you know if this is getting addressed with the Server OS as well?

[Ben Whitmore (Patch My PC)]

No worries. I haven't explicitly checked the server KB but I would be surprised if they haven't included it