MGASA-2021-0237

    Dashboard / Vulnerabilities / MGASA-2021-0237

    MGASA-2021-0237

    Published: 8 Jun 2021Last Modified: 16 Apr 2026

    Summary: Updated squid packages fix security vulnerabilities

    Details: Updated squid packages fix security vulnerabilities: Due to improper input validation Squid is vulnerable to an HTTP Request Smuggling attack. This problem allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by Squid security controls (CVE-2020-25097). Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to causeSquid to consume resources, leading to a denial of service (CVE-2021-28651). Joshua Rogers discovered that Squid incorrectly handled requests to the Cache Manager API. A remote attacker with access privileges could possibly use this issue to cause Squid to consume resources, leading to a denial of service (CVE-2021-28652). Joshua Rogers discovered that Squid incorrectly handled certain response headers. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-28662). Joshua Rogers discovered that Squid incorrectly handled range request processing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-31806, CVE-2021-31807, CVE-2021-31808). Joshua Rogers discovered that Squid incorrectly handled certain HTTP responses. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-33620). The squid package has been updated to version 4.15, fixing theese issues and other bugs.

    References: https://advisories.mageia.org/MGASA-2021-0237.html, https://bugs.mageia.org/show_bug.cgi?id=28799, https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6, https://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4, https://github.com/squid-cache/squid/security/advisories/GHSA-m47m-9hvw-7447, https://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h, https://github.com/squid-cache/squid/security/advisories/GHSA-pxwq-f3qr-w2xf, https://github.com/squid-cache/squid/security/advisories/GHSA-572g-rvwr-6c7f, https://github.com/squid-cache/squid/commit/fa47a3bc4d382e28e7235d08750401b910e4b13a, https://github.com/squid-cache/squid/commit/648729b05673c6166c5d91c6ee4cda30cc164839, https://access.redhat.com/errata/RHSA-2021:1135, https://ubuntu.com/security/notices/USN-4981-1

    Affected packages

    Package

    Name: squid

    Purl: pkg:rpm/mageia/squid?arch=source&distro=mageia-7

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.15-1.mga7

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    MGASA-2021-0237 | CVE-DB