Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2021-28116: CVE-2021-28116 squid: out-of-bounds read in WCCP protocol data may lead to information disclosure (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Red Hat: CVE-2021-28116: CVE-2021-28116 squid: out-of-bounds read in WCCP protocol data may lead to information disclosure (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
03/09/2021
Created
05/14/2022
Added
05/13/2022
Modified
12/15/2023

Description

Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.

Solution(s)

  • redhat-upgrade-libecap
  • redhat-upgrade-libecap-debuginfo
  • redhat-upgrade-libecap-debugsource
  • redhat-upgrade-libecap-devel
  • redhat-upgrade-squid
  • redhat-upgrade-squid-debuginfo
  • redhat-upgrade-squid-debugsource

References

  • DSA-5171
  • CVE-2021-28116
  • RHSA-2022:1939

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;