-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: squid:4 security update Advisory ID: RHSA-2020:2038-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2038 Issue date: 2020-05-06 CVE Names: CVE-2019-12519 CVE-2020-11945 ===================================================================== 1. Summary: An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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 E4S (v. 8.0) - 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: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow (CVE-2019-12519) * squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution (CVE-2020-11945) 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. 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/): 1827552 - CVE-2019-12519 squid: improper check for new member in ESIExpression::Evaluate allows for stack buffer overflow 1827563 - CVE-2020-11945 squid: improper access restriction upon Digest Authentication nonce replay could lead to remote code execution 6. Package List: Red Hat Enterprise Linux AppStream E4S (v. 8.0): Source: libecap-1.0.1-2.module+el8.0.0+4045+70edde92.src.rpm squid-4.4-5.module+el8.0.0+6430+d78e5241.1.src.rpm aarch64: libecap-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.aarch64.rpm squid-4.4-5.module+el8.0.0+6430+d78e5241.1.aarch64.rpm squid-debuginfo-4.4-5.module+el8.0.0+6430+d78e5241.1.aarch64.rpm squid-debugsource-4.4-5.module+el8.0.0+6430+d78e5241.1.aarch64.rpm ppc64le: libecap-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.ppc64le.rpm squid-4.4-5.module+el8.0.0+6430+d78e5241.1.ppc64le.rpm squid-debuginfo-4.4-5.module+el8.0.0+6430+d78e5241.1.ppc64le.rpm squid-debugsource-4.4-5.module+el8.0.0+6430+d78e5241.1.ppc64le.rpm s390x: libecap-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.s390x.rpm squid-4.4-5.module+el8.0.0+6430+d78e5241.1.s390x.rpm squid-debuginfo-4.4-5.module+el8.0.0+6430+d78e5241.1.s390x.rpm squid-debugsource-4.4-5.module+el8.0.0+6430+d78e5241.1.s390x.rpm x86_64: libecap-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm libecap-debuginfo-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm libecap-debugsource-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm libecap-devel-1.0.1-2.module+el8.0.0+4045+70edde92.x86_64.rpm squid-4.4-5.module+el8.0.0+6430+d78e5241.1.x86_64.rpm squid-debuginfo-4.4-5.module+el8.0.0+6430+d78e5241.1.x86_64.rpm squid-debugsource-4.4-5.module+el8.0.0+6430+d78e5241.1.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-2019-12519 https://access.redhat.com/security/cve/CVE-2020-11945 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXrKqR9zjgjWX9erEAQjRAA//fkFJEDI76Ruj0KoxwPm42VT3TdgcGhV+ QNWtpZPrj7on9Ca3tkUvXnKSWb5rEbESRNO8Fa5HKAR+PSRim5eabQkMy5S96bnU FGw2UDRW6ZcQRUxleHEBJN5rt/IG5+dwj22x5NadpumzUS4b9d7pNDlAwnSvdob7 st91YrOyiyLslYnFTHLd61/DjHq5AmMFJ/mS86rZ6XGPgi0A+EaC7AuWe3t2NG+D aLWdswjX0DNfdT7rqMC6HIbPxLkHkltJbPIiQxVKQYbFveY7CwE2BOAOL3p7W8qy I4Mo8I2ouXVOhFnnFzw3oX87bvCSeIkKEUAzoFd2+nsNVcC+FbiPTpdFh/CtK0Mz g1gq1oEoIxfyvxccKtVIl5mVUrwfiUyckA8oJnHbMJBcde3W+9CZhpYJ25dMUf16 TXj+Om8u8/aR3eE87V0ovIrcOncFhiLKOSEsY/jpnhfGl0aFZzZAvJFoQOnDHPcc TAlkfSo0mAFCpY82EmkAaATbqmKMa6A8lWfhrUr9dtclg/v/UXyAiOFTy8U1k2CD p9MTm2YfGDK7hPE8viJL5RkEnG4wd9wtxhUE7jq+ezaEvhnxJbUnVaHlmay+sMGG gWsVP183P0l9aNRX+NkjvFpZHWWhWXqJEtInMCLr2J7F0uk9HNP2xMEuUxZoMiw8 j05t14XeXaM= =0q+3 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce