-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: squid:4 security and bug fix update Advisory ID: RHSA-2022:1939-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:1939 Issue date: 2022-05-10 CVE Names: CVE-2021-28116 ===================================================================== 1. Summary: An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. Security Fix(es): * squid: out-of-bounds read in WCCP protocol data may lead to information disclosure (CVE-2021-28116) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing this update, the squid service will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1939939 - CVE-2021-28116 squid: out-of-bounds read in WCCP protocol data may lead to information disclosure 2006121 - SQUID shortens FTP Link wrong that contains a semi-colon and as a result is not able to download zip file.CODE 404 TO CLIENT) 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.src.rpm squid-4.15-3.module+el8.6.0+14176+9782b8ab.src.rpm aarch64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.aarch64.rpm squid-4.15-3.module+el8.6.0+14176+9782b8ab.aarch64.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.aarch64.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.aarch64.rpm ppc64le: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.ppc64le.rpm squid-4.15-3.module+el8.6.0+14176+9782b8ab.ppc64le.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.ppc64le.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.ppc64le.rpm s390x: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.s390x.rpm squid-4.15-3.module+el8.6.0+14176+9782b8ab.s390x.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.s390x.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.s390x.rpm x86_64: libecap-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm libecap-devel-1.0.1-2.module+el8.1.0+4044+36416a77.x86_64.rpm squid-4.15-3.module+el8.6.0+14176+9782b8ab.x86_64.rpm squid-debuginfo-4.15-3.module+el8.6.0+14176+9782b8ab.x86_64.rpm squid-debugsource-4.15-3.module+el8.6.0+14176+9782b8ab.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-28116 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYnqRhNzjgjWX9erEAQiXrxAAnRAhpMTtajGl0EI/lXWom2ZoZF2WIjGe a9dsfZiyHj1cOPsEE3mE5agsMUu1RHE84JMAmSohJNYwiGDfoPJliZus2Da0j1sV 4mahrVHqegdehylZ55eoM8hxaaWl6jAw6G/FtQQ/bPywFuBqTzobRkUtRUY94Bk6 R1AW1J/mwKr0gabFTc2llPrS7+9O0MWlD/Cd8QX3VJT5TeObToXv/TWWE/QE18vD SiiDJK8ungVImWvC2uBPwkzSpySaBEOiNU0m2QEXsOGD4nmE+Ijx5NoCcslnWMJd Ys00tcgKG9kgphb0MvQSh4i3shi9NZWqlvR1rPlH6z7wIiz2lMUe3Mrq15daN4Y9 hMi5xsR4fc7btmerQYlLpCW5++TvBi6h/rBv5tKGnAo4cAuE55bX27m+S/EQpL1+ QQjlGwWmvsB15ZgSeljuAv8L6Eg3hvLMDi/Rj6C80+CmGFW6kXZ859o69XAIvXho 2qpzAsEfCoqhHnqL+I7i67J9wDINpG6M+fjSgjzzffvo3A9syU4DyO2qzy1VS8gq h7T+8LhIuZa3MpRMQeGy/8fLUOKOMRy8DWQDEO+qDYC14gzCw6QqIZnl2gI5B3J3 h3nPKDyqvFQcTEOf/wwEwiyegb2vdSzyluDXs6lh5cWmvKILdifnp5i8gqRGXadt jlD0ps67JVU= =5xx7 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce