QID 91779

Date Published: 2021-06-21

QID 91779: Cygwin Curl Package Multiple Security Vulnerabilities

Cygwin is a Linux-style operating environment for Microsoft Windows.

Multiple Security vulnerabilities were reported in curl.

Affected Versions:
Cygwin curl package prior to 7.77.
QID Detection Logic (authenticated):
The QID flags if it finds a vulnerable version of the curl package in installed file. The location of the file is determined by the key "HKLM\SOFTWARE\Cygwin\setup", value "rootdir". The file is present in the <rootdir>\etc\setup folder.

Successful exploitation of this vulnerability may allow a remote code execution if the server could somehow manage to get crafted memory content into the correct place in memory.

  • CVSS V3 rated as Critical - 8.1 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Upgrade to Cygwin curl package to version 7.77 or later. For more information, please refer to the vendor advisory for affected Cygwin

    Vendor References

    CVEs related to QID 91779

    CVE-2021-22297 | CVE-2021-22298 | CVE-2021-22901 |
    Software Advisories
    Advisory ID Software Component Link
    Cygwin Curl WIndows URL Logo cygwin.com/pipermail/cygwin-announce/2021-May/010095.html
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].