Medium: curl

Issue Overview:

It was discovered that libcurl did not remove authentication credentials from URLs when automatically populating the Referer HTTP request header while handling HTTP redirects. This could lead to exposure of the credentials to the server to which requests were redirected. (CVE-2021-22876)

A vulnerability was found in curl where a flaw in the option parser for sending NEW_ENV variables libcurl can pass uninitialized data from a stack-based buffer to the server. This issue leads to potentially revealing sensitive internal information to the server using a clear-text network protocol. The highest threat from this vulnerability is to confidentiality. (CVE-2021-22898)

Affected Packages:

curl

Issue Correction:
Run yum update curl to update your system.

New Packages:

i686:  
    curl-debuginfo-7.61.1-12.98.amzn1.i686  
    libcurl-devel-7.61.1-12.98.amzn1.i686  
    curl-7.61.1-12.98.amzn1.i686  
    libcurl-7.61.1-12.98.amzn1.i686  
  
src:  
    curl-7.61.1-12.98.amzn1.src  
  
x86_64:  
    curl-debuginfo-7.61.1-12.98.amzn1.x86_64  
    libcurl-7.61.1-12.98.amzn1.x86_64  
    libcurl-devel-7.61.1-12.98.amzn1.x86_64  
    curl-7.61.1-12.98.amzn1.x86_64  

Additional References

Red Hat: CVE-2021-22876, CVE-2021-22898

Mitre: CVE-2021-22876, CVE-2021-22898