CVE-2021-22945 | curl (CWE-415)

[mgulter]

A critical severity vulnerability has been discovered in your project.

Project Name: IssueTest

Scanner Name: trivy

Cwe ID: 415

Cwe Name: Double Free

Cwe Link: https://cwe.mitre.org/data/definitions/415.html

CVE ID: CVE-2021-22945

Target: nginx:latest (debian 11.3)

Packages:

• curl : 7.74.0-1.3+deb11u1 - Fixed Version:

References:

• http://seclists.org/fulldisclosure/2022/Mar/29
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://curl.se/docs/CVE-2021-22945.html
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22945
• https://hackerone.com/reports/1269242
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/
• https://security.netapp.com/advisory/ntap-20211029-0003/
• https://support.apple.com/kb/HT213183
• https://ubuntu.com/security/notices/USN-5079-1
• https://www.oracle.com/security-alerts/cpuoct2021.html

Training(Secure Code Warrior):

• Name: Double Free

• Description: The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

• Link: https://portal.securecodewarrior.com/?utm_source=partner-integration:kondukto#/contextual-microlearning/web/memory/double_free

• Videos:

  • https://media.securecodewarrior.com/v2/module_156_double_free.mp4

Tool Description: When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it again.

Custom Description: test