SB2021053121 - SUSE update for python-httplib2 



SB2021053121 - SUSE update for python-httplib2

Published: May 31, 2021

Security Bulletin ID SB2021053121
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) CRLF injection (CVE-ID: CVE-2020-11078)

The vulnerability allows a remote attacker to perform CRLF injection attacks.

The vulnerability exists due to insufficient filtration of user-supplied data. A remote attacker controlling unescaped part of uri for "httplib2.Http.request()" can change request headers and body, send additional hidden requests to same server.


2) Resource exhaustion (CVE-ID: CVE-2021-21240)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion by tricking the application to connect to a malicious server that responds with long series of "xa0" characters in the "www-authenticate" header.


Remediation

Install update from vendor's website.