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Ubuntu 20.04 & 18.04 USN-5826-1 Critical: Privoxy DoS & XSS

ubuntu
Calendar Grey January 25, 2023
Dist Ubuntu Esm H88
Numerous risks associated with Privoxy are detailed in Ubuntu Security Notice USN-5826-1, highlighting significant flaws.
Several security issues were fixed in Privoxy.

Summary

Several security issues were fixed in Privoxy.

Software Description:

- privoxy: Privacy enhancing HTTP Proxy

Details:

Joshua Rogers discovered that Privoxy incorrectly handled memory

allocation. An

attacker could possibly use this issue to cause a denial of service.

(CVE-2021-44540)

Artem Ivanov discovered that Privoxy incorrectly handled input

validations. An

attacker could possibly use this issue to perform cross-site scripting

(XSS) attacks.

(CVE-2021-44543)

Topics%20covered

Topics Covered

security advisory denial of service critical cross-site scripting Ubuntu issue privoxy

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   privoxy                         3.0.28-2ubuntu0.2

Ubuntu 18.04 LTS:
   privoxy                         3.0.26-5ubuntu0.3

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5826-1

  CVE-2021-44540, CVE-2021-44543

Severity
critical
Lowest
Low
Medium
High
Critical

January 25, 2023

Topics%20covered

Topics Covered

security advisory denial of service critical cross-site scripting Ubuntu issue privoxy

Package Information

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