The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4743 advisory.

  - squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)

  - squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)

  - squid: Improper input validation in URI processor (CVE-2019-12523)

  - squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)

  - squid: Heap overflow issue in URN processing (CVE-2019-12526)

  - squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)

  - squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)

  - squid: Denial of service in cachemgr.cgi (CVE-2019-12854)

  - squid: Buffer overflow in URI processor (CVE-2019-18676)

  - squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)

  - squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)

  - squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)

  - squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour     (CVE-2019-18860)

  - squid: DoS in TLS handshake (CVE-2020-14058)

  - squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)

  - squid: Improper input validation could result in a DoS (CVE-2020-24606)

  - squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)

  - squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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CentOS 8 : squid:4 (CESA-2020:4743)

critical Nessus Plugin ID 145969

Version 1.5